What life-cycle adaptations do short-day onions have?
a=they form more onions than long-day onions do.
b=they start to form onions earlier in the year than long-day onions do.
c=they are better adapted to areas with days that are 14 to 16 hours long.
d=they do not form onions until the summer months, when the days are longer.

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

How does human environment effect the biosphere