Which is a biotic factor operating within an ecosystem?

A.

sunlight

B.

water

C.

bacteria

D.

minerals

Explain how your parents, grandparents, & great grandparents may affect what proteins your cells are able to make.

Activity 7.1 what controls the movement of materials into and out of the cell

By what mechanism does a diploid animal grow after fertilization? mitosis binary fission isogamous fertilization meiosis

The Impact of the Corona Virus

Fish in a local lake have a mixture of brown and green scales and are found throughout the lake. over a 5-year period, the lake develops more plant growth and an exotic predatory frog is introduced.

What biome does a woodpecker and snowly owl live in

A human lost at sea without fresh drinking water is effectively lost in an osmotic desert. why would drinking salt water be harmful

Question 1 Which one of the following supports the hypothesis that life has changed over time? Prokaryotes have no nucleus. The cell has no membrane. Some fossil plants have deep roots. Fossils are distinct from rock layer to rock layer.

Jesse finds a burned-looking rock outside near a small crater. What has she most likely found? a comet an asteroid a meteor a meteorite

2 ways seeds can be carried by animals