ecosystems are made of living and nonliving components of the environment; and
No resources have been tagged as aligned with this standard.
plants and animals are interdependent with their living and nonliving surroundings;
animals need air, food, water, shelter, and space (habitat);
basic needs include adequate air, food, water, shelter, and space (habitat);
interrelationships exist in populations, communities, and ecosystems;
Members of a population interact with other populations in a community. They compete to obtain resources, mates, and territory, and they cooperate to meet basic needs (4.3 c).