Black bear moving into a more wooded area of the forest for shelter.
What is "immigration."
100
A tiger shark hunting for albatross chicks.
What is "predation."
100
A tapeworm living in an animal's digestive system.
What is "parasite."
200
The rocks, sand, algae, fish and water that make up an ocean.
What is "ecosystem."
200
The ___________________ of a giraffe habitat is about 10 giraffes due to limiting factors.
What is "carrying capacity."
200
Bats getting food from the saguaro flower, then pollinating the cactus in return.
What is "mutualism."
200
The animal in which tapeworm lives.
What is "host."
300
One owl in the forest.
What is "species."
300
The type of study when you observe signs of the organism. For example, you count the number of nests and then multiply by birds in the nest to get the number of birds.
What is "indirect observation."
300
A woodpecker and a robin both looking for insects on the same tree.
What is "competition."
300
An owl who is hunting food.
What is "predator."
400
The gray wolves in a forest.
What is "population."
400
A group of antelope leaving the herd in search of better grassland.
What is "emigration."
400
Ticks feeding off the blood of mice.
What is "parasitism."
400
A mouse who is being hunted by an owl.
What is "prey."
500
The prairie doges, grass, and snakes that make up a prairie.
What is "community."
500
The four main limiting factors are:
What are food, water, space, and weather.
500
A hawk building its nest on an arm of a saguaro cactus.
What is "commensalism."
500
Insects a woodpecker eats, the tree a woodpecker lives in, and the other animals with which the woodpecker interacts.