Marine iguanas are large lizards that live in the Galápagos Islands. They feed on algae growing on rocks at the edge of the sea. When an El Niño event occurs, the sea around the islands becomes warmer, and the algae do not grow as rapidly as they do during typical temperatures. Scientists studied the relationship between the size of male iguanas on one of the Galápagos Islands and their survival during typical temperatures or during and El Niño event. The data are shown in the graph. Based on the data, identify which size make iguanas are most affected by an El Niño event and explain the most likely cause for this size of male iguana to be affected more than other sizes.
Answers
1. The larger male Iguana are most affected by the El Nino event since it is only those above 36 cm had a massive decline in population.
2. The most likely cause of why the larger males were more affected by the El Niño event is their inability to meet their food or body requirment. Larger iguanas need more algae to sustain their body size and maintain their metabolism. When an El Niño event occurs, the reduced algae growth makes it difficult for these larger iguanas to find enough food.
What is El Nino event?
El Niño happens around the Pacific Ocean area. It is known to happen every two to seven years.
When an El Niño event happens the normal trade winds is reversed. This can cause warm water to move towards the eastern Pacific.
El Niño events can also affect ocean currents and marine life. The event can lead to fishery reduction and coral bleaching.
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Related Questions
Describe at least two challenges that cactuses had to overcome that cattails did not.
Answers
Answer:
Possible challenges include: Climate: Deserts are arider than swamps, so there is less humidity in the air and less water in the soil. Reproduction: Cactuses are often not densely populated, whereas cattails occur in groups.
How would you expect a Species Survival Plan to affect the crested toad
population in Puerto Rico?
A. It would lead to the extinction of crested toads due to water
pollution.
B. It would lead to the successful reintroduction of crested toads into
the wild.
OC. It would cause most crested toads to die due to invasive species.
D. It would cause the death of some crested toads due to habitat
loss.
Answers
It would lead to the successful reintroduction of crested toads into the wild. The correct option is B
What is Species Survival Plan ?
A Species Survival Plan (SSP) is a program designed to manage and conserve the genetic diversity of endangered or threatened species in captivity.
Therefore, Option B, "It would lead to the successful reintroduction of crested toads into the wild," is the most likely outcome of a Species Survival Plan for the crested toad population in Puerto Rico. While there may be challenges such as invasive species and habitat loss that could impact the success of the reintroduction efforts, the goal of the SSP is to help increase the population of the crested toad and prevent their extinction.
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Why is nonpoint source pollution difficult to control? (Site 2)
Answers
Which of the following explains why artificial selection is described as artificial?
It is the opposite of natural selection, in which organisms adapt to their environments without human intervention.
It alludes to the process of artificial insemination, a process of unnaturally planting a fertilized egg.
It deals with synthetic or superficial genes and traits like color, markings, size, and speed.
It is the label used to show which animals have been given hormones and artificially-made nutrients.
Answers
Answer:Likely option 1
Explanation:Natural selection is selects for individuals with traits of increased relative fitness (fitness= ability to produce viable offspring) Artificial selection is when people select for a desired trait.
None of the choices above are great...
first option: likely the best choice by process of elimination
second option: Artificial selection doesnt necessarily have to involve artificial insemination, though it can
3rd option: traits like color, markings, size and speed are not generally superficial... traits of color, markings and physical fitness (size/speed) often increase fitness in regards to sexual selection
The final option is simply false
Amoeba Sisters Video Recap: Ecological Relationships
Sketch a predator and prey graph as demonstrated in the video.
How are the predator and prey graph lines related to each other?
(I don’t have a picture)
Answers
Answer: I have not seen this video, but I hope my input can somewhat help. :)
A predator-prey dynamic tries to maintain balance in the populations of both species. The line in Figure below illustrates this. There is more food for predators as the number of prey rises. Thus, after a brief delay, the carnivore population also rises.
Explanation:
The relationship between the predator and prey graph lines can be shown graphically as a series of peaks and troughs that correspond to fluctuations in the population sizes of the predators and prey.
How are the predator and prey graph lines related to each other in a predator and prey graph?In a predator and prey graph, the predator and prey graph lines are typically related to each other in a cyclical pattern.
As the population of prey increases, the population of predators that feed on them will also increase, leading to a subsequent decrease in the population of prey due to predation. This decrease in prey population will then cause a decrease in predator population, as there is less food available for them.
This, in turn, will allow the prey population to recover and the cycle will repeat itself.
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can someone help with this please? there was a video attached to this.. (it’s not that long at all but i’ll out the link in the comments incase anyone may need it) you also have to look at the previous question i posted yesterday to answer/understand this someone answered it already btw but just look at what they said and look at this
Answers
Maintaining a balance between the populations of kelp, otters, and urchins is important for the health and sustainability of the kelp forest ecosystem.
What is the carrying capacity of the kelp forest ecosystem?In a kelp forest ecosystem, kelp, otters, and urchins have a complex relationship. Kelp is the primary producer in the ecosystem and provides habitat and food for many organisms.
Otters are the primary predator of sea urchins, which are herbivores that feed on kelp. When otters are present in the ecosystem, they control the urchin population, allowing kelp to thrive. However, when otter populations decline, the urchin population can increase and overgraze the kelp, leading to a decrease in kelp abundance.
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Please helpppppppppppppp
Answers
A gene found in naturally occurring soil bacterium, Bacillus thuringiensis (8t), contains a protein that kills certain insects. Scientists
have genetically modified certain organisms such as corn, potatoes, and cotton by introducing the Bt gene into their DNA in order
for these plants to have this desired trait. Which question were the scientists most likely trying to answer?
A. How can farmers produce more nutritional crops?
B. How can farmers use less insecticides on their crops?
C. How can farmers reduce the amount of land needed to grow their crops?
D. How can farmers reduce the amount of fertilizers they apply to the soil for
their crops?
Answers
Answer:
B. How can farmers use less insecticides on their crops?
Explanation:
The scientists were most likely trying to answer question B, "How can farmers use less insecticides on their crops?" The Bt gene from Bacillus thuringiensis produces a protein that is toxic to certain insects, making the plants resistant to insect pests. By introducing this gene into crops, farmers can reduce the need for chemical insecticides, which can be harmful to the environment and human health. This approach is an example of genetic engineering for pest control, which has the potential to increase crop yields while reducing the use of harmful chemicals.
What are the four modern-day phyla of gymnosperms?
Answers
Answer:
Gymnosperms consist of four main phyla: the Coniferophyta, Cycadophyta, Gingkophyta and Gnetophyta.
Conifers are the dominant plant of the gymnosperms, having needle-like leaves and living in areas where the weather is cold and dry.
Cycads live in warm climates, have large, compound leaves, and are unusual in that they are pollinated by beetles rather than wind.
Gingko biloba is the only remaining species of the Gingkophyta and is usually resistant to pollution.
Gnetophytes are the gymnosperms believed to be most closely related to the angiosperms because of the presence of vessel elements within their stems.
Coniferophyta (conifers): This is the largest and most diverse phylum of gymnosperms, with over 600 species. Conifers are typically evergreen trees or shrubs with needle-like or scale-like leaves and cones that contain the seeds.
Cycadophyta (cycads): This phylum includes about 300 species of palm-like trees and shrubs with large, compound leaves and cones that are often brightly colored.
Ginkgophyta (ginkgos): This is a small phylum with only one living species, Ginkgo biloba. Ginkgos are deciduous trees with fan-shaped leaves and fleshy seeds.
Gnetophyta (gnetae): This is a diverse group of around 70 species of shrubs, trees, and vines. Gnetophytes have a range of leaf types and growth forms and can be found in both tropical and temperate regions. Some examples include Ephedra and Welwitschia.
All gymnosperms share the characteristic of producing seeds that are not enclosed in a fruit. They are an important group of plants because they can survive in harsh conditions and are often used for lumber, paper, and as ornamental plants.
Melanie is researching whether some dinosaurs had feathers. She read the following paragraph in an article.
Evidence from various scientific disciplines suggests that certain types of dinosaurs, namely those that fall within the clade Therapoda, may have
had feathers. Theropod dinosaurs share many features with modern birds, including three-toed limbs, scales, hollow bones, and the number of
holes in their skulls. Both laid eggs, and both breathed in the same way, which is very different from the way that most terrestrial animals breathe.
These features, and a number of fossil finds, suggest that birds are modern-day descendants of dinosaurs.
Based on the paragraph, what would be the best way for Melanie to narrow the focus of her research?
While researching the question of whether dinosaurs had feathers, Melanie decided to focus on
A. The animals that came before the dinosaurs and may have led to both dinosaurs and birds.
B. The differences in the way dinosaurs in mammals breathe.
C. Theropod dinosaurs in the connection do birds.
D. Egg, laying animals, and how they relate to birds.
Answers
While researching the question of whether dinosaurs had feathers, Melanie decided to focus on
C. Theropod dinosaurs in the connection do birds.How to find the correct optionThe paragraph implies that specific dinosaurs, belonging to the Theropoda group, could have potentially had feathers and revealed comparable traits with modern avians.
Consequently, Melanie's research would be best served delving further into the relationship between these Theropod dinosaurs and birds.
Alternative A neglects to establish any correlation between feather existence in dinosaurs, while alternative B has no significance as a determining factor for establishing dinosaur plumage. Although option D does possess some relevance, it fails to specifically address the crucial link connecting Theropod creatures with their avian counterparts.
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Answer: its D egg laying animals and how they relate to birds
Explanation:
What is the phenotype for the female mouse
Answers
Answer:
Behavior, biological features, color, form, and size are a few examples of visible traits.
Explanation:
All of an organism's observable traits, or phenotype, are the outcome of the interplay between its genotype (total genetic inheritance) and environment.
Describe how impluses are transmitted across the synapse
Answers
Answer:
1) An electrical impulse travels along an axon of the presynaptic neuron.
2) When the impulse reaches the nerve-ending, it releases chemical messengers called neurotransmitters.
3) These chemicals diffuse across the synapse and bind with specific receptor molecules on the membrane of the next neuron.
Hope this helps :)
Pls brainliest...
a) What are the bases of mRNA coded for by this section of DNA, before the
mutation? Hint: In RNA, A pairs with U.
Answers
Answer:
DNA, before the
mutation? Hint: In RNA, A pairs with U.
Gram-negative bacterial cell walls can increase a bacterium's virulence (infectious capability) because a component in the cell wall acts as a toxin. True or false
Answers
Answer: false
Explanation its function is to protect them from acids and also in some cases reproduction but they itsef didnt have any toxins in them
How does auxin affect growth in (include a diagram)
1. Shoots
2. Roots
Answers
Auxin is a class of plant growth hormones which play an essential role in coordination of many growth and behavioral processes in the plant life cycle.
Auxin is a plant hormone responsible for plant cell elongation, cell differentiation, cell division and healing in vascular cells, timing the growth of flowers, and general balanced growth of the entire plant.
Auxins affect plant growth in different ways. In shoots, the accumulation of auxins in the cell signals cell elongation. Whereas, the accumulation of auxins in plant roots signals the cells to not grow.
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what do you think will be the effect to one's life if one of the digestive processes will not take place?
Answers
Answer:
It will cause constipation and so can cause absurd swelling of the stomach
since the new strand made of short segments of RNA nucleotides, has a free 3'end what can attach and add nucleotides
Answers
DNA polymerase can attach and add nucleotides to the free 3' end of a new RNA strand made of short segments of RNA nucleotides during DNA replication.
RNA primase first adds a short RNA primer to the 3' end of the template strand, which serves as a starting point for DNA polymerase to attach and add nucleotides in a 5' to 3' direction. DNA polymerase can only add nucleotides to the free 3' end of the RNA primer or an existing DNA strand. Once the RNA primer is replaced with DNA nucleotides, the lagging strand can be joined to the leading strand through DNA ligase.
This process of DNA replication is semi-conservative, meaning that each new double-stranded DNA molecule is composed of one parent strand and one new daughter strand. This mechanism of DNA replication ensures the accurate transfer of genetic information from parent to daughter cells during cell division.
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What information can a scientist learn directly from a single fossil?
A. How many offspring the organism produced
B. The organism's shape and size
C. How the organism is related to others
D. The life expectancy of similar organisms
Answers
Answer:
B. The organism's shape and size.
Explanation:
A single fossil can provide information about the shape and size of the organism that it belonged to. Fossils can also provide information about the age of the rock layer in which they were found. However, it is usually difficult to determine other characteristics such as how many offspring the organism produced, its relationships to other organisms, or the life expectancy of similar organisms from a single fossil. These types of information often require the study of multiple fossils or the use of other scientific methods.
9. Re-center the slide and change the scope to high power. You will notice the "e" is
out of focus. DO NOT touch the coarse focus knob, instead use the fine focus
(small knob) to resolve the picture. Draw the image you see of the letter e (or part
of it) on high power.
Answers
The fine focus knob should be used to adjust the focus of the image. This can be done by slowly turning the knob until the image of the letter "e" is in focus and the details of the letter become visible. diagram is attached.
What is focus?Focus is the act of concentrating on one idea, activity, or task. It requires an individual to block out all other distractions and use their mental energy to focus on one particular goal or objective. Focus allows an individual to explore a topic in greater detail and enhances their ability to retain information. It also enables them to discover new perspectives and to think critically and deeply about the subject. Focus is an essential part of any successful person’s life, and it can be developed through practice and dedication. By learning how to focus and practice this skill, an individual can improve their overall productivity and be more successful in life.
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