Which is an abiotic factor that can be found in a rain forest ecosystem? a. bacteria b. oxygen c. algae d. animals

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

Nucleic acids offer variability because they contain alternate forms of genes called .