A) A vaccine is developed that prevents individuals being infected
Answer:
d. They are often keystone species
Explanation:
Top predators in an environment are the largest predators and sits on the top (apex) of the food chain in an ecosystem which do not have any natural predators.
As the top predators relative to its abundance has disproportionately large effect on its natural environment, they are the keystone species most of the time.
Hence option d. They are often keystone species is the right option.
Answer:
biological process by which new individual organisms are produced
The correct answer would Be C because Most plants would Bend their stems to the sun
Having broken down walls of Glomerulus would cause blood to appear in urine because instead of only filtrate passing into the capsule, the blood would also flow into the capsule and be released with the urine.