Answer: they’re mammals
Explanation:
Whales differ from fish because even though they are aquatic animals they are mammals and have the surface for oxygen. They also differ from fish by birthing live young
1) is right option. The fossils are an extinct specie of elephants, and they're related to present day elephants.
This is because when Mendel did it, he knew that peas are easy to raise, have plenty of offspring, fertilize themselves, and have varieties in genotype and phenotype that are easily observable.
Answer:
Sustainability means meeting our own needs without compromising the ability of future generations to meet their own needs. In addition to natural resources, we also need social and economic resources. Sustainability is not just environmental- ism.
Explanation:
