How do plants get energy? A. Plants get energy from the soil they grow in.

B. The make their own food through photosynthesis.

C. Plants don't need energy

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

Which individual below would be considered heterozygous? a.dd b.dd c.dd