1. The organisms at lower trophic levels have more consumable energy which provides the whale with more energy that organisms at other trophic levels.
2. Agree
3. Depending on the food chain, organisms can be on multiple trophic levels. For example, lions can be both a tertiary and secondary consumer.
Chromosome is to cactus as gene is to a needle.
D.) 70% mammals are 70 percent water
They could look for similarities in the DNA or protein structuresof the organisms<span> and similarities in early development</span>