The correct answer is D. The theory of natural selection provided a better explanation of the processes that were being observed by the scientists.They observed that the related species birds found on one island were slightly different from that of the other, and certain portions earth, have the species, which were not found anywhere else.
The independent variable is time to sun exposure, the dependent variable is the incidence of skin cancer, and the hypothesis is that sunscreen may cause skin cancer.
<h3>What is the Independent variable?</h3>
The Independent variable is the experimental variable that isn't changed across the experiment, while the dependent variable changes in the experiment.
The independent variable is said to be the cause, while the dependent variable can be defined as the effect of a given experiment.
In conclusion, the independent variable is time to sun exposure, the dependent variable is the incidence of skin cancer, and the hypothesis is that sunscreen may cause skin cancer.
Learn more about the Independent variable here:
brainly.com/question/82796
#SPJ1
Answer:
Sea otters encourage the growth of giant kelp forests as they control sea Urchin populations. Otters are a keystone predator. Kelp forests are curcial to many many many species of animals. Sea lions and seals feed on the fish there, many types of fish are found there crucial to fisherman such as all types of rock fish. Crabs, jelly fish, sea stars, anemones, and other small fish rely of these forests so it will greatly impact their population and over all health and the health of the ocean if there is a sea urchin population control.
Explanation:
Answer:
percentage of error= (3.4-31.)/(3.1)*100%=9.68%
Explanation: