The answers are following
1)a
2)a
3)d
Answer:
The energy in most ecosystems flows through the food chain. In physical ecosystems and most marine ecosystems, the energy flow starts in green plants that harvest some of the sun’s energy. The plants are then consumed by animals, bacteria, and other creatures, which are themselves eaten by other creatures. At each step in the food chain, energy is lost as heat.
Explanation:
Answer:
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Answer:
<em>The correct option is D) all of the above</em>
Explanation:
The humans have become more and more concerned about the different population of animal and plant species being extinct or endangered. To protect the endangered animals, almost every country has now come up with certain conservation plants to protect the endangered species of the wild life.
Extinct animals can be described as the animals which are no longer found on the Earth whereas endangered animals are the animals which are at the verge of extinction.
Wildlife refuges help to protect plants and animals.
Answer:
It would be the second one! All diagrams of this show the second kind of cell, as its a prokaryotic cell, which have a nucleus.
Explanation:
