Answer:
Hector spent the last three months on a winter fishing boat in alaska. he was doing research on population levels of fish for conservation efforts. hector most likely works in. plant systems.
Explanation:
plz mark it the brainliest
Crossing over is a process that happens between homologous chromosomes in order to increase genetic diversity. During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material.
Answer:
a.
Explanation:
pathogens may enter the body and cause illness.
The answer is B. they embody the idea of descent with modification.