During development, individual cells of the same organism begin to produce different proteins because a) not all cells can synthesize proteins. b) specific genes are activated in the cells. c) the cells have different numbers of chromosomes. d) the cells have different kinds and amounts of dna.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe

Identify the area on the image where the force of attraction is the strongest.