Which adaptation allowed plants to grow upright and compete for light?

What does it mean that animals are heterotrophic?

Which algae are thought to be the closest living relatives to land plants?

Spores differ from seeds in that they:

What is the role of the cytoskeleton in a cell?

Which group of arthropods has two pairs of legs per body segment?

How do worms move using hydrostatic motion?

Unicellular fungi are called:

What adaptation allows arthropods to move efficiently on land?

Which nutrient do some plant roots rely on mycorrhizal fungi to obtain?