What evidence suggests that green algae
are close relatives of land plants?

Which of the following are energy solutions that release pollution into the air>

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.