Answer:
Zooplankton help other populations survive by keeping out other herbivores
Explanation:
This is because a keystone species are species that have large effect on the the habitat and through its effect they help to keep the ecosystem in existence. They make sure that the ecosystem exist. They help populations survive by keeping out herbivores and feeding on the algae. They help drive nutrients cycle and transfer energy from algae to invasive fish.
D. Lichens live on other plants and provide nutrients for them, it’s a type of symbiotic relationship.
It represents a sodium ion, this may not answer it as there are no options given.
The purpose was to test the idea that the complex molecules of life. in this case, amino acids. could have arisen on our young planet through simple, natural chemical reactions. The experiment was a success in that amino acids, the building blocks of life, were produced during the simulation.
Solar sails are used to increase speed.