Answer:
An ecosystem only has a certain amount of resources to support a certain number of organisms.
Explanation:
An ecosystem consist of resources and organisms. Resources are the material which are responsible for the survival of living organisms in that ecosystem. Examples of resources are light, water, oxygen and food substance. In the absence of these resources, organisms will die.
The primary difficulty is the fact that we do not know all of the organisms that currently exist in the world along with those that existed in the past.
Answer:
a. pepsin
Explanation:
it has a 1 to 2 level which is acidic because anything lower than 7 is acidic
Answer:
Terrestrial - Mercury, Venus, Earth, and Mars
Gas Giants - Jupiter, Saturn, Uranus, and Neptune
Ice Giants - Uranus and Neptune
Explanation:
Gas plants are the planets that are composed mostly of the gases in them such as helium and hydrogen found in Saturn and Jupiter planets there are four planets known as the gas giants that are Jupiter, Saturn, Uranus, and Neptune. However, Uranus and Neptune planets are known as ice giants as these two planets are cold and remote and made up of completely different gases from the other two gas giants.
Terrestrial planets are the planets that are more rocky and compact in terms of their surface and these planets are inner planets of our solar system that are Mercury, Venus, Earth, and Mars.