Why do birds and reptiles share a branch on the chordate phylogeny tree?

a. They share similar traits.

b. They are part of the same population.

c. They are part of the same species.

d. They are part of the same community.

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time