Answer: Keystone species
Explanation:
A keystone species is the species on which other species of the ecosystem depends on. The keystone species can be a predator or prey. It maintains the balance of the population of other species in an ecosystem.
Answer:
Urologist
Explanation:
The person who is involved in the study of the genitourinary system of both males and female is known as the urologist.
The genitourinary system is the system of the organs which are involved in both the sexual and urinary function in the body. The word is formed by the uro from urine and logist- for the person who studies forms the word urologist.
Thus, the urologist is the correct answer.
Answer:
pH
Explanation:
Substances can act as a buffer to resist changes in pH when something more acidic or basic is added
In sexually reproducing animals, once fertilization of the egg takes place, the ___________ exists as a single cell until cell division begins.
D) zygote
Typically, if a peacock has a bright tail with many feathers and eyespots, a female will choose him.
The peacock’s tail is an indicator of the peacock’s health and, therefore, the health of the peachicks.