This is what contains all the nonliving and living parts of an environment in a given area
What is an ecosystem?
What is salinity?
A tick on a dog
What is a parasite?
The selection pressure that caused the rock pocket mice to undergo natural selection.
What is a predator?
David Attenborough suggests this to cut down the amount of farmland needed to support humanity.
What is a plant-based diet?
A factor in an ecosystem that is alive.
What is biotic?
The process of one ecological community changing into another.
What is ecological succession?
Two birds in the same forest, one nests and feeds on the ground and the other nests and feeds in the tops of the trees.
What are different niches?
The change that occurred in the finch population following the drought of 1977.
What is their beaks got larger?
The beginning of secondary succession starts with this kind of substrate.
What is bare soil?
The largest number of individuals of one species that an ecosystem can support.
What is carrying capacity?
The process where individuals with variations that help them compete better in their environment reproduce more and pass on their traits
What is natural selection?
A bumblebee gets food from a flower and pollinates the flower.
What is mutualism?
The selection pressure facing urban wildlife.
What is the city infrastructure and presence of people?
The reason that some species survive better than their environment than others.
What is fitness? (or having traits that are better suited to the environment)
An organism that produces its own food.
What is a producer?
What is evolution?
A bird nests in a tree.
What is commensalism?
The reason that individuals do not evolve.
David Attenborough suggests doing this in the world's oceans to make fishing more sustainable.
What are no-fish zones in a third of coastal oceans?
What is a detritivore?
What is a pioneer species?
A wolf hunts and feeds on a moose.
What is predation?
The change that the peppered moth underwent during the industrial revolution.
What is a change of color?
The factor in the nitrogen cycle that allows atmospheric nitrogen to be converted to nitrogen that plants can use.
What is nitrogen fixing bacteria?