Which statement is true?
a. lipids are a type of fat.
b. fats are a type of lipid.
c. fats and lipids are separate and unrelated substances.
d. all lipids are fats, and all fats are lipids.

The image shows embryos of three vertebrate classes

Environmental differences within ecosystems are generally caused by

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah 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.