true or false? in the fall, when leaves receive less oxygen and light, the often change color.

what is not a function of plant roots?

true or false, plants make their own food

Identify how seeds relate to reproduction.

what happens if animals do not get the food they need?

What is the function of guard cells on a leaf?

A food chain includes species W, X, Y, and Z. In terms of the number of individuals, species W outnumbers species X, which outnumbers species Y, which outnumbers species Z. At which trophic level in the food chain is species Y?

Which vascular tissue in plants transports water and nutrients from the roots to the stems and then to the leaves?

suppose a young flowering plant has lost all of its flowers and they do not grow back. how will this most likely affect the plant's life cycle?

is photosynthesis responsible for most of the oxygen in the atmosphere

Which statement best summarizes what happens to energy in an ecosystem when it reaches the top of the food chain?

Animal cells cannot carry out photosynthesis because they lack ___________________.