Match the following animals with the way they regulate their body temperatures.
1. is A
2. is B
An endotherm is an animal that is capable of the internal generation of heat (warm-blooded animals), while an ectotherm is an animal that relies on external sources of heat (cold-blooded animals).
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Answer:
dismissed the idea that species are constant and emphasized the importance of variation and change in populations
Explanation:
- Darwin and Wallace were the two scientists that contributed to the theory of evolution by natural selection.
- According to their ideas, the mechanisms that lead to evolution is natural selection.
- The idea for natural selection stems from the fact that the available resources are limited in nature and hence, there will be competition for survival and only the individuals that will have heritable traits that will favor their survival under such competition would be able to live and thus, produce more offsprings with similar traits and hence, this will lead to evolution.
- This theory of natural selection thus emphasized that the traits possessed by organisms are not constant but are variable and the populations constantly change over time.
Answer:
<em><u>True </u></em>
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Answer:
Magma is less dense than the surrounding rock which causes it to rise. When magma reaches the surface it is then called lava and the eruptions of lava and ash produce volcanoes. The lava that reaches the Earth's surface will harden and become igneous rock.
Explanation: