The thin external covering is similar to the the organelle with a texture like sandpaper is the .
a. cell membrane
b. cytoplasm
c. ribosome2.
a. golgi body
b. lysosome
c. rough endoplasmic reticulim

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

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.

2. which is the last step in the scientific method?