What is happening at step 1?
Dead organisms
and este products
Foss
respiration: releasing CO2
photosynthesis: absorbing CO2
decomposing CO2 in the soil

What does homeostasis means in biology?

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things