Why is it unusual that lichens are classified as a species

What area of the brain experiences rapid growth of synapses and subsequent elimination of those synapses that are not used often during adolescence?

Which of the following organisms would be considered an omnivore? A. a wolf B. a tree C. a human

Which list below describes the path of ocean water through the water cycle? Evaporation, condensation, precipitation, runoff Evaporation, precipitation, runoff, ocean storage Transpiration, precipitation, runoff, ocean storage Condensation,

A group of organisms of a certain species that is in one area at a given time is known as A an ecosystem B a community C a population D a trophic level

What can be classified as macronutrients, micronutrients, and water

Dna stands for what in biology

Coal is used to produce energy. The harmful gases produced by coal are cleaned up by a method which needs a large amount of limestone. Predict and explain the long term effect on the environment of obtaining and using limestone.

True or false two genes may not segregate independently if they are on the same chromosmoe

Blood pressure rises and falls in a pattern corresponding to the phases of the

Immune system cells enter a resting phase after undergoing mitosis. when activated-for example, by an infection-they can reenter the sequence of events in the cell cycle that leads to cell division.