Which traits are challenges of life for all organisms? choose all answers that are correct.
a. reproducing
b. getting sunlight
c. hiding or running
d. maintaining structure
e. swimming upstream
f. obtaining energy
g. laying eggs

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?