Answer:
a catalyst
Explanation:
they speed up reactions without altering the compound
Answer: vine twirling around a lamppost
Explanation:
Thigmotropism is a process by which a plant bends around an object in response to a touch stimulus. It helps in the growth and development of plants.
Usually, climbing plants have tendrils with which they use to climb or twirl around a stationary support. This action is also supported by hormones such as auxin, and is a growth process. Thus, vine twirling around a lamppost is an example of thigmotropism
Good evening Aixa,
An experiment is designed so that you can observe the differences between the experimental group and the control group.
The experimental group is the group of specimens you're exposing to the experiment and the control group is a separate group of specimens that is not being exposed to the experiment, but are also being observed.
-Hope this helps!
The Sperm cell meets the egg cell.
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