The answer is <span>the number of DNA mutations in an organism is measured over time to determine how long it will take for a new species to evolve.</span>
Answer:
Nearly all
Explanation:
We need the for helping with mechanical digestion and keep our mouth moist.
Answer: strong roots
Explanation:
Plants situated in fast-flowing area of a stream (aquatic environment) require certain body features to help them adapt to the fast blowing tides or waves of water, these include:
- a long slender stem
- strong roots for attachment and to withstand being uprooted by fast blowing tides
- waxy leaves and stem with intracellular air spaces to maintain buoyancy and float above the water
Answer:
A.) Pollen are well preserved in the sediment layers because they are highly resistant to decay.
B.) Other indicators that can be used to determine past climates are through the analysis of the width of tree rings and the coral reefs formed underwater.
Answer:
chemicals isn't a type of cell
but there is plant and animal cells
