Question

unit 2 quiz ecosystems, biodiversity, and ecological relationships 1) which statement is true of the many parts of the biosphere? a) each part includes salt water. b) each part is completely unique c) each part is isolated from the others. d) each part is connected to all the others. 2) which of these best explains the organization of the biosphere? a) groups of biomes make up a community, and groups of communities make ecosystem. b) groups of communities make up a population, and groups of populations m biome. c) groups of individuals make up populations, and groups of populations make communities. d) groups of populations make up an ecosystem, and groups of ecosystems m community. 3) which of these only lists abiotic components of an ecosystem? a) river, grass, soil b) rocks, insects, trees c) minerals, water, air d) sand, saltwater, seabirds 4) which of these is not a characteristic of all living things? a) they require an energy source. b) they exist without any cells. c) they maintain stable internal conditions. d) they respond to changes in the environment. 5) which of the following biomes has the highest level of biodiversity? a) tundra b) savanna c) grassland d) rain forest

Explanation:

1. The biosphere is an interconnected system. Each part is connected to others, not isolated.
2. Groups of individuals make up populations, and groups of populations make up communities.
3. Abiotic components are non - living. Minerals, water, and air are non - living, while the others have living elements.
4. All living things are made of cells, so existing without any cells is not a characteristic of living things.
5. Rainforests have the highest level of biodiversity among the given biomes due to their complex ecosystems and large number of species.

Answer:

1. d) Each part is connected to all the others.
2. c) Groups of individuals make up populations, and groups of populations make up communities.
3. c) minerals, water, air
4. b) They exist without any cells.
5. d) Rain Forest