Which of the following is a difference between the Anthophyta and Coniferophyta life cycles? a. only one has double fertilization
b. only one produces ovules
c. only one produces pollen
d. only one is heterosporous

Describe the function of the endomembrane system? what organelles are involved?

Aplant may open end close its stomata to prevent excess water loss and maintain

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.