Plants, fungi, bacteria: they all have cell walls for protection and support. but bacterial cell walls have another function. without its cell wall, a bacterium would break open and burst. this bursting is due to a) gravity. b) high temperature. c) internal pressure. d) chemical hydrolysis.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a. coral reefs because of the loss of the symbiotic algae living within their bodies b. penguin populations because the fish they eat will move into warmer waters c. mountain-dwelling birds because rising sea levels will relocate their food sources d. large cats in the rainforest because of decreased habitat loss for their prey

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?