legumes are often planted and harvested as crops. when this happens, the plants are not left to decompose into the soil. how does removing the legumes from the ecosystem affect the nitrogen cycle?​

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

the tricuspid valve is present between right atrium and right ventricle

actually the answer is c