Which statement does not describe competition for shelter?
a. Two prairie dogs fight over underground space.
b. A pack of lions roar to protect their territory from other lions,
c. Bees work together to construct a beehive.
d. Penguins push each other to find room on a floating iceberg.
Please I need help

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.