What observation led researchers to propose that chloroplasts evolved from cyanobacteria?
- both produce proteins.
-both contain mitochondria.
-both provide structure to cells. both perform photosynthesis.

Nteractions between organisms and their environment impact the organism’s overall population. oahu amakihi and kauai amakihi are two closely related species of hawaiian honeycreepers. they have a common ancestor, eat small insects and nectar, and like to nest in koa trees. however, one species is found on the island of oahu, and the other is found on the island of kauai. which concept shows the relationship between oahu amakihi and kauai amakihi?

What organ systems are working to you cool down after a workout?

Where substance is produced during cellular respiration