An example of a mineral needed in large amounts is .

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Where does oogenesis take place ? seminiferous tubules fallopian tubes ovaries uterus

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.