Answer:
Human activities causes disturbance in the balance of the park ecosystem. Humans changed the balance of the park ecosystem by introducing an invasive species or by removing an organism which controls the equilibrium of the ecosystem. Destruction of habitat is also done by human activities which change the balance of the park ecosystem so we can conclude that human activities and intervention leads to disturbance and change in the balance of the park ecosystem.
Answer:
A
Explanation:
The plasma membrane is significant in regulating the movement of molecules in and out of the cell through processes such as active transport, diffusion, and osmosis. An example is that when the cell becomes dehydrated, water is taken in by osmosis until normal levels are reached. Whenever byproducts of biochemical reactions accumulate in the cell, they are taken out the cell through active transport.
Answer:
c. It creates additional waves and currents, which help push the oil away from the habitat.
Explanation:
This rubber hose like substance in the picture provides some vibrations on the water surface. Oil is known to float on the water so it’s advisable to scoop the oily parts away from where the coral reefs are situated at.
This technique ensures that there is creation of additional waves and currents which help push the oil away from the habitat. This makes C the right choice.
Answer:
A. The ability to store hereditary information.
Explanation:
Both prokaryotic cells and eukaryotic cells have DNA. In prokaryotic cells, the DNA is not contained in a membrane-bound nucleus while in eukaryotic cells, DNA <em>is</em> contained in the nucleus.