Which of the following best describes why the nitrogen cycle is important to the growth and development of organisms? A. Nitrogen is a gas that organisms need to absorb to perform cellular respiration
B. Nitrogen is an essential element that makes up DNA and proteins.
C. Nitrogen is a compound that organisms produce for long-term energy storage.
D. Nitrogen is a type of energy that organisms use for life processes.

Populations of blue-winged warblers, a type of bird, migrate south in the winter and return to canadian breeding grounds in the spring. as global temperatures have increased due to climate change, spring has started arriving in the warbler's breeding grounds earlier in the year, before the warblers return. warblers now arrive at their breeding grounds too late to select ideal nesting sites and to feed on important early-spring food sources how are populations of blue-winged warblers most likely to be affected by the earlier arrival of spring? o a. populations will go extinct since the warblers will stop migrating to breeding grounds. b. populations will be unaffected since most species can quickly adapt to effects of climate change. c. populations will increase since warmer temperatures are generally beneficial to survival, d. populations will decline since individuals will be less likely to successfully reproduce, reset next

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which of the following statements about fungi are true? check all that are true. fungi get food through the process of photosynthesis. fungi get food by absorbing it from their environment. fungi can be unicellular or multicellular. fungi typically grow in hot, dry environments.