What is predation?
The symbiotic relation ship where one organism benefits and the other is harmed.
What is parasitism?
True or false: Keystone species are always apex predators.
What is false?
This type of limiting factor has a larger impact on big populations.
What is density-dependent?
This type of energy is needed to power the process of photosynthesis.
What is solar or light energy?
These are limited in an ecosystem and cause competition. They can be abiotic or biotic.
What are resources?
Bees and flowers are an example of this relationship.
What is mutualism?
Sea otters and sea stars are examples of a
What is keystone species?
This image is an example of ____ growth.
These are the two products of photosynthesis.
What are glucose and oxygen?
Two penguins fighting over fish is an example of ___ competition.
What is intraspecific?
A relationship where one species benefits and the other is unaffected.
What is commensalism?
Removing an apex predator would cause an immediate ____ in herbivore population.
What is increase?
Emigration from an area causes that population to ____
What is decrease?
These are the two products of cellular respiration.
What are carbon dioxide and water?
States that no two species can occupy the same niche at the same time.
What is the competitive exclusion principle?
Tapeworms feed off of their host organism. This makes them a __________.
What is parasite?
Sea Otters help maintain a healthy ____
What is kelp forest or kelp population?
Oysters produce millions of eggs. Very few survive and are able to form a hard shell. They have this type of survivorship curve.
What is type III?
This is the molecule that transports energy.
What is ATP?
In natural ecosystems, predators will tend to lower the prey population, meaning less ________ between members of the prey population.
What is competition?
Artic foxes follow polar bears around as they search for food. This a what type of symbiotic relationship?

What is commensalism?
This is a keystone species that keeps the acacia tree population in check by knocking them down.
What are elephants?
Calculate the population density of 93 sea lions occupying 400 square miles of the San Francisco Bay.
What is 0.2325?
These are the four macromolecules.
What are carbs, lipids, proteins, and nucleic acids?