A phylogenetic tree is arranged (1 point) phenotypically from top to bottom.

phenotypically from bottom to top.

chronologically from bottom to top.

chronologically from top to bottom.

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?