Biological evolution is the result of changes in a population of a species
a. ecosystem c. genetic
b. metabolism d. molecular

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet