Answer:
Animal cells contain centrioles. Something plants cells do not have.
Explanation:
The factor that may have caused this competition is the scarcity of food.
<h3>What is natural selection?</h3>
Natural selection has to do with the idea that species that are better adapted to their habitat live longer and have the opportunity to reproduce and transfer these favorable traits.
The factor that may have caused this competition is the scarcity of food. The original ground-dwelling frogs have different genetic make up which allowed then to live in different conditions ultimately making it possible for them to adapt to various conditions.
Different species of frogs developed as they lived in different niches because the organisms had to develop traits that enable them to survive in new niches which were passed on to offspring ultimately leading to the emergence of new species.
Learn more about natural selection:brainly.com/question/9830102
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Answer:
20.8
Explanation:
I took it and it was right
True. The crust of the Earth has some permanent magnetization, and the Earth's core generates its own magnetic field, sustaining the main part of the field we measure at the surface. So we could say that the Earth is, therefore, a "magnet."
Answer: I think it’s Enzymes are used up after catalyzing a reaction enzymes may only be used once. Explanation: Hope this helped