Answer:
A
Explanation:
Answer is option one, or A
Explanation:
An example of homologous structures in vertebrates is
where the wings of bats, front flippers of whales, and forelegs of four-legged vertebrates like dogs and crocodiles are all derived from the same ancestral tetrapod structure.
Cells
Tissues
Organs
Organ system
Organism
Answer:
Flower -> Insect -> small fish -> Big fish -> Seagull
Explanation:
All of these animals are eaten by the one arrow is pointing to.