If decomposers can help form and enrich soil, then what can help form and enrich soil? Answer choices: - Most plants - whales - the Sun - decomposers - swamp vegetation - shrub beds - phytoplankton - fossil fuels
decomposers

If plant reproduction requires Insects, then plant reproduction may require what? Answer choices: - mitosis - nutrients - insects - energy - sunlight - gene flow - seeds - Energy.
insects

If electron transport is the final stage of a process that uses oxygen and releases carbon, then what is process is electron transport the final stage of? Answer choices: - Transfers energy - digest food - metabolic reaction - converting mass to energy - use oxygen, release carbon - eating carbon - drinking h2o - it helps plants in growing
use oxygen, release carbon

If frogs, toads and salamanders have a relatively complex circulatory system with a three-chambered heart, then what sort of circulatory system do frogs, toads, and salamanders share? Answer choices: - live birth - It helps them survive - matter vibrating - two-chambered heart - Veins and arteries. - biological diversity - three-chambered heart - four-chambered heart
three-chambered heart