a swimmer sprints a short distance for a competition. the swimmer is not able to take in enough oxygen to make

Which of the following is not a characteristic of natural selection? 100 points pls more offspring are born than will survive to reproduce. mutations appear randomly breeding pairs are chosen by humans organisms that are better adapted are more likely to survive

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.