Nonnative species disrupt ecosystems by
a. increasing biodiversity
b. preventing the spread of disease
c. disrupting food chains
d. increasing the populations of native species

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

How do herbicide-resistant plants farmers? a.farmers can spray for weeds without killing the crops b.the plants kill the weeds c.the soil is enriched for future plantings

As a bee feeds upon the nectar produced by a flower, the bee may become coated with the flower's pollen. as the bee flies from flower to flower, some of this pollen may contact a flower's pistil, resulting in pollination. this relationship between the bee and the flower is an example of a. parasitism b. commensalism c. mutualism d. competition