Answer:
Vestigial organs show traits that a species once needed to have to perform certain tasks
Explanation:
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:
The Hay-flick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only replicate and divide forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis.
