HELP ME PLEASE
Which of these is a function of the placenta?
A. To store the embryo's wastes
B. To hold the fetus upside down for birth
C.To digest food for the fetus
D. To bring oxygen to the embryo's cells
Explanation:
The correct answer here is C
1. NAME THE FOLLOWING. 1. The sense organ which tells you that a fruit is sweet or bitter.____
2. The five sense organs. _____
3. The organ which has several taste buds.____
4. The sense organ which tells you a truck is approaching.______
5. The thing which helps some people to hear better. _____
6. The thing which help some people to see better______
Answer:
1. The sense organ which tells you that a fruit is sweet or bitter. Tongue
2. The five sense organs. Eye, ear, nose, tongue, skin
3. The organ which has several taste buds. Tongue
4. The sense organ which tells you a truck is approaching. Eye, ear
5. The thing which helps some people to hear better. Hearing aid
6. The thing which help some people to see better Glasses/spectacles
Plum Island is divided into two diverse areas. (A) What are the differences between
the two sides? What are the relative fractional sizes of the sides. (B) During a storm
what are the differences in effect on the flora and base of the island?
Great Gull Island is home to one of the biggest breeding populations of roseate terns in the continent and is home to the world’s biggest concentration of common terns, with about 9,500 pairs nesting on the island.
Plum Island sits just off the tip of the north fork of Long Island and acts as a wildlife refuge where over 100 bird species. All of these areas are privately-owned and closed to the public.
Is there a Plum Island?A barrier beach island located off the coast of Newbury and Newburyport in northeastern Massachusetts,
Thus, this is the answer.
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A yellow pea plant (Yy) and a green pea plant (yy) could produce _____________ green offspring.
Answer:
50% Yy and 50% yy
Explanation:
yellow pea: Y y
produced: Yy yy
Yy yy
green pea: y y
Answer:
50% Yy and 50% yy
Explanation:
yellow pea: Y y
produced: Yy yy
Yy yy
green pea: y yyyyyyyy
Explanation:
a red flower and a white flower can be expressed on a plant, depending on genetics. which outcome would indicate codominance as the inheritance pattern for flower color in this species?
Answer:
A phenotypic outcome that would indicate codominance woul be if the flowers produced had both red and white petals or had red and white colour expressed at the same time.
Explanation:
Codominance is when two phenotypes both show up in the resultant offspring. The most common rexample for codominance is roan cattle or animals with spotty patterns that can have browns, blacks and white simlutaneously. So if the red and white phenotypes both appeared (and the petals of the flower had red and white but were not a mix of red and white-ie pink flowers would be incomplete dominance-) then this would indicate codominance was an inhereitance pattern of the flower species.
Which do you think would adapt and survive overtime to a mass extinction? A starfish or an eel?
Answer:
Starfish
Explanation:
This is an opinion questions, so there really isn't a right or wrong answer. You could just as easily choose Eel. Your task is to pick one and defend your reasoning.
I chose starfish because starfish have a long history of demonstrated adaptability to a wide variety of conditions. Their armored skin protects them from a variety of predators, as does the poison that many of them contain. They have the ability to regrow limbs, and even regrow entire starfish from certain body parts. When it comes time to breed, starfish meet together in groups. Each female releases a few million eggs from the gonads in each of her arms. Each male then releases billions of sperm from each gonad in each of his arms, thus covering the eggs with sperm to fertilize them.
A part of an mRNA has the sequence GGA. Which change to this sequence
would indicate a missense mutation?
Answer:
C.GCA
Explanation:
Answer:
its C
Explanation:
On June 22, how much daylight is received by locations in the Arctic Circle?
Help with answer please
Answer:
Option E
Explanation:
Codons are triplets of nucleotide sequences that are present on mRNA whereas anticodon are present on tRNA, for each codon on mRNA there must be an anticodon on tRNA. Like AUG is a codon , the anticodon will be UAC on the tRNA.
NEED HELP ASAP
Select the correct text in the passage.
Which SENTENCES correctly describes the effect of marine debris?
Marine debris is very harmful to marine life. - not an answer choice
1 Its effect, however, is only limited to marine creatures, as it does not affect birds and other species that depend on the sea.
2 One of the major contributors to marine debris is plastic.
3 Garbage and litter from the beach do not contribute to marine debris. Research shows that marine debris is likely to decrease over time as plastics degrade into smaller particles.
4 New methods of manufacturing have been adopted to reduce material consumption and thus prevent a larger contribution to marine debris.
it would be answer number two it tells what the major contributor is.
Answer:
2 and 4
Explanation:
These two options show true effects and facts of marine debris, as plastic is one of the largest contributors and number 4 shows that places are attempting to mitigate the effect. However, 1 and 3 are both false claims and therefore incorrect displays of marine debris' effect
1. Which of the following is not a natural cause of water pollution? a. Volcanoes b. Algae blooms c. Animal waste d. Oil spills e. Silt from storms and floods
Answer:
D
Explanation:
Well because oil spillage is normally caused by man. Either intentionally spill the oil into water sources or people who bomb the oil pipe line, the oil may spill into the nearest water body
is it possible to go to heaven in a rocket?
Answer:
To answer this question, no, no one can get back to earth from Heaven if they don't like it. There's no way for anyone to not like Heaven.
Explanation:
Which statement concerning the energy in the
pyramid is correct?
(1) The producer organisms contain the least oft
amount of energy.
(2) Stored energy decreases as it is passed from
consumer to consumer.
(3) Consumers contain more energy than
producers. og eiriT lice orli
(4) Decomposers are the source of energy
for
this pyramid.
Answer:
Option 2
Explanation:
Stored energy decreases as it is passed from consumer to consumer.
Energy decreases as it progresses up the pyramid.
Which of these alternative sources of energy is the least energy efficient?
hydropower
biomass
geothermal
solar
Answer:
Biomass energy is more climate-polluting than coal.
Explanation:
Select a field of study within environmental science. Describe how a professional in that field would contribute to the environmental study of a lake.
There are five main fields of environmental science; each one created up of multiple smaller domains.
These five areas are atmospheric sciences, ecology, environmental chemistry, geosciences, and social sciences
What are three fields within environmental science that focus on non living aspects of the environment?Climatology is the study of the Earth's atmosphere and climate. Hydrology is the reflection of Earth's water resources.
Earth science is the analysis of the Earth's nonliving systems and the planet as a whole.
Thus, These five fields are atmospheric sciences, ecology, environmental chemistry, geosciences, and social sciences.
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If you were to examine the organisms living in the river ecosystem, which organism would you see least often
Answer:
Gila monsters
Explanation:
Gila monsters are found in desert regions of the Southwest United States. They are not found in river ecosystems.
4. Which scenario is an example of allopatric speciation?
A disease ravages a large fox population, killing all members that did not have a genetic resistance to the disease
A river separates members of a squirrel population that used to occupy the same geographical area
Houseflies from a certain region migrate and interbreed with a different housefly population in a neighboring area
Hawks with thin, sharp beaks primarily eat fish and small rodents, while hawks with larger beaks tend to eat reptiles and larger birds.
A river separates members of a squirrel population that used to occupy the same geographical area, Thus, option "2" is correct.
What is Allopatric speciation?Allopatric speciation is said to occur when two groups of organisms are separated by a physical or geographical barrier. Examples of such barriers are ocean, mountain range, rivers, etc. A good example of allopatric speciation is Galapagos finch.
Different species of this bird can be found in different islands at Galapos, which is located at Pacific Ocean off South America. The ocean is barrier that isolate the species from one another.
Thus, option "2" is correct.
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charles darwin predicted the existence of a moth with a very long "tongue" after he discovered a species of night-blooming flowers with extremely long, tube-shaped blooms. About 50 years after Darwin died, such a moth was discovered. Apply lesson concepts to explain the basis for Darwin's prediction.
The prediction of Darwin depends on the sizes of both the moth's tongue and the tube of blooming flowers.
What do you mean by Species?Species may be defined as a group of organisms that can reproduce naturally with one another and create fertile offspring.
The moth's long tongue helps them to take the nectar from the tube of blooming flowers which are also very long. In this situation, the moths that possess long tongues survive in both conditions whether the tube of blooming flowerers is short or long.
This same concept was also predicted by Charles Darwin. The long tongue of the moth gives them the advantage in every situation of the tube's length.
Therefore, the prediction of Darwin depends on the sizes of both the moth's tongue and the tube of blooming flowers.
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13. What feature of this plant was least likely inherited from its parents?
O A. Having flowers
O B. Being wilted
O C. Flat leaves
O D. Being green
Answer: B
Explanation: That'd be based on how it's taken care of
in the diagram below of a human skeleton, what is the name of the bone
labeled D?
A
Cranium
Rib Cage
F
Vertebra
G
B
H
Carpals
Metacarpals
Phalanges
K
с
Tarsals
D
Metatarsals
E
Phalanges
A. Humerus
B. Tibia
C. Scapula
D. Femur
Answer:
Explanation:
in the diagram below of a human skeleton, what is the name of the bone
labeled D?
A
Cranium
Rib Cage
F
Vertebra
G
B
H
The bone labeled D in the diagram is the femur.
What is femur ?The femur is the longest and strongest bone in the human body, located in the upper leg or thigh. It articulates with the pelvis at the hip joint and with the tibia and fibula bones of the lower leg at the knee joint. The femur is responsible for supporting the body's weight, allowing for movement, and protecting the organs in the pelvic region.
The femur is divided into several sections, including the head, neck, shaft, and condyles. The head of the femur is a spherical structure that articulates with the acetabulum of the pelvis to form the hip joint.
The neck of the femur is a short section that connects the head to the shaft. The shaft of the femur is the long, straight part of the bone that extends from the neck to the condyles. The condyles of the femur are the rounded surfaces at the bottom of the bone that articulate with the tibia and fibula to form the knee joint.
The femur is composed of two types of bone tissue: compact bone and spongy bone. The compact bone is located on the surface of the bone and provides strength and protection, while the spongy bone is located in the interior of the bone and provides shock absorption.
Injuries to the femur can be serious and require medical attention. Fractures of the femur can occur due to high-impact accidents or falls, and may require surgery to repair.
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Classify the interactions as being direct or indirect competition.
How might a cross between the sun gold tomato and the juliet tomato result in a desirable hybrid?
Please help
Some scientists believe that the thawing of sea ice covering the Arctic could slow down or stop the currents shown in the Atlantic Ocean. What effect would this most likely have in the North Atlantic area?
If the Arctic could slow down or stop the currents in the Atlantic Ocean, then this is most likely have have in the North Atlantic area
What are the benefits of ocean currents?Ocean currents play an important role in controlling the climate of the earth. Ocean currents are responsible for sea life because they carry nutrients and food to organisms. If the currents stop then the whole aquatic life is adversely affected.
So we can conclude that If the Arctic could slow down or stop the currents in the Atlantic Ocean, then aquatic life at North Atlantic area is adversely affected.
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Match the effect of exercise to the correct term.
In an ecosystem, what would happen if the number of bacteria decreased?
A) There would be increased water pollution in the soil.
B)There would be less nitrogen available to the ecosystem.
C)There would be fewer fossils formed.
D)There would be increased rain and flooding in the soil.
Answer:
B) There would be less nitrogen in the system
Explanation:
How does bacteria affect the ecosystem?
Bacteria play important roles in the global ecosystem.
The cycling of nutrients such as carbon, nitrogen, and sulfur is completed by their ceaseless labor. Organic carbon, in the form of dead and rotting organisms, would quickly deplete the carbon dioxide in the atmosphere if not for the activity of decomposers.
source: Berkly.edu
Ammonia is very toxic to cells, even in moderate concentrations. Which two general strategies do organisms use to keep ammonia concentrations at safe, low levels? Select two answer choices.
To keep ammonia concentrations at safe and low levels it is transported to the liver where it is transformed into urea and glutamine. Urea is carried to the kidneys and excreted in the urine.
What is the path of ammonia in the human body?Ammonia is a substance produced by intestinal bacteria and body cells during protein digestion. It is a waste product that is normally transported to the liver, where it is transformed into urea and glutamine. Urea is carried to the kidneys and excreted in the urine.
With this information, we can conclude that to keep ammonia concentrations at safe and low levels it is transported to the liver where it is transformed into urea and glutamine. Urea is carried to the kidneys and excreted in the urine.
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PLEASE HELP
Consider the following process;
1. Sensory nerves signal that you are hungry.
2 You eat.
3. Food is broken down into nutrients.
4. Nutrients enter your blood.
Which of these body system does not work with your nervous system in this process?
A. The Digestive System
B. The Muscular System
C. The Skeletal System
D. The Immune System
Sorry if I am wrong
Answer:
Food is broken down into nutrients.
Skeletal system
Explanation:
During the final stages of human gestation, receptors
oxytocin increase on
for the hormone
the smooth muscle tissue in the wall of the uterus. The
release of oxytocin during labor stimulates the smooth muscle tissue in the
wall of the uterus.
The vigorous contraction of the uterine smooth muscle
helps push the baby through the
process
birth canal so that delivery can occur. This
involves the interaction of which organ systems?
Select one:
•
Endocrine, reproductive, and excretory
•
Endocrine, muscular,
and reproductive
•
Endocrine
and reproductive only
•
Endocrine and muscular only
The correct answer is option B
Which one of the following choices is NOT affected by soil?
A. How well plants can grow.
B. The rate at which erosion occurs.
C. How quickly carbon reacts with minerals.
D. How water flows across the surface of the Earth.
Answer:
c
Explanation:
hope this helps a ton thanks for your question
1. What is a limiting factor?
a variable that causes population growth to speed up
O
a variable that causes population growth to increase
a variable that causes population growth to slow
a variable that limits maximum total food availability
A limiting factor is a variable that causes population growth to be slow.
It is a variable of a system that causes a noticeable change in output or another measure of a type of system.
A limiting factor is a variable that causes population growth to slow down. Hence the correct option is B.
In ecology, limiting factors are environmental factors or resources that restrict the growth, abundance, or distribution of a population or species in an ecosystem. These factors can be biotic or abiotic. Biotic limiting factors include competition for resources, predation, and disease, while abiotic limiting factors include factors like temperature, water availability, nutrient availability, and sunlight.
When a population experiences a shortage or restriction in essential resources, it cannot grow at its maximum potential, leading to a slowdown in population growth. Limiting factors play a crucial role in regulating population dynamics and maintaining ecological balance in natural ecosystems. By understanding limiting factors, ecologists can gain insights into how ecosystems function.
Hence the correct option is B.
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