Question

Fill in the blank. Giraffe necks and mice necks have the same number of vertebrae, despite their different sizes and functions. This is an example of a(n) _______. The wings of insects, bats, and birds are structurally different but achieve similar functions. This is an example of a/an _______. The peppered moth provides an example of _______, as the predominant color of moths changed over time as pollution dictated which color was best camouflaged for protection from predators. Respond to the following based on your reading. Two species, a cactus and a Venus fly-trap, have a water intake system that's similar in function but not in structure. What type of structure is this? A scientist is trying to determine if two species are closely related or if they just have the same external features. What would you look for to make this determination? You go to school and discover that your friend got admitted to the hospital for a burst appendix. You want to learn if the appendix serves a function in our bodies. What would you need to research? A species of beetle in Africa looks really similar to a different species in South America. How would the environment influence species development? Why does Australia have so many genetically distinct organisms?

Answer 1

1. homologous structure

2. analogous structure

3. natural selection

4. This is known as an analogous structure.

5. To make this determination, you need to think about if the features are the same in function or also in structure. Features that have a closely related structure and function are likely to be related.

6. To learn more about why your friend is in the hospital, you should research vestigial structures.

7. These two beetles aren't closely related, but they look and behave similarly. This is because they live in the same environmental conditions and likely share a common ancestor that lived in Gondwana (the supercontinent that included the southern continents before they split apart through plate tectonics).

8. Australia has so many genetically distinct organisms because it has been separated from other bodies of land by water for a very long time. This has created an opportunity for long-term independence of other geographic areas.

Answer 2

homologous structure

analogous structure

natural selection

This is known as an analogous structure.

To make this determination, you need to think about if the features are the same in function or also in structure. Features that have a closely related structure and function are likely to be related.

To learn more about why your friend is in the hospital, you should research vestigial structures.

These two beetles aren't closely related, but they look and behave similarly. This is because they live in the same environmental conditions and likely share a common ancestor that lived in Gondwana (the supercontinent that included the southern continents before they split apart through plate tectonics).

Australia has so many genetically distinct organisms because it has been separated from other bodies of land by water for a very long time. This has created an opportunity for long-term independence of other geographic areas.

Step-by-step explanation:

Penn Foster