Explain what would happen in the oceans if there were not any algae.

Compare and contrast Lamarck and darwins view on evolution

7. What effect does proximity to the ocean of a biome have on its climate?

How do plants obtain energy? what do we call organisms that get energy this way?

What must happen before chemical reaction can begin

Why can the removal of vegetation trigger mass movements

Which of the following features are NOT known to be caused by plate tectonics?

Why should a person who sells fish and fish aquaria learn about the excretory systems in animals?

A group of scientists are studying a crab. After comparing the crab to other crabs and testing its DNA, the scientists think they have found a new species of crab. What should they do next? They should test the crab's DNA again.

What is necrosis and giver examples

An is a useful metallic mineral that can be mined for a profit