n order to explain how changes to physical components of an ecosystem affect populations, you must use data from observations and investigations. These data are also known as(1 point)
Responses
a statement.
reasons.
reasons.
evidence.
evidence.
an argument.
evidence.
Some types of algae can grow together with fungi. The fungi provide nutrients from decaying matter to the algae, while the energy the algae get from sunlight is shared with the fungi. Based on this information, how would you describe this relationship? (1 point)
Responses
The fungus is a parasite, and the algae is the host.
The fungus is a parasite, and the algae is the host.
The two organisms are in a mutualistic relationship.
The two organisms are in a mutualistic relationship.
The algae is the predator, and the fungus is the prey.
The algae is the predator, and the fungus is the prey.
The two organisms are in competition.
The two organisms are in a mutualistic relationship.
A hawk eats a mouse. This kills the mouse, but it also means that the remaining mice will not have to compete as much for food with each other. Based on this information, what is the relationship between the hawk and the mouse? (1 point)
Responses
The two organisms are in a parasitic relationship.
The two organisms are in a parasitic relationship.
The two organisms are in a predator-prey relationship.
The two organisms are in a predator-prey relationship.
The two organisms are in a mutualistic relationship.
The two organisms are in a mutualistic relationship.
The two organisms are in a competitive relationship.
The two organisms are in a predator-prey relationship.
A rat is trying to get food from a garbage can, but is chased away by a crow. The crow eats the food, and the rat must find other food. Based on this information, what is the relationship between the crow and the rat? (1 point)
Responses
The relationship is mutualistic.
The relationship is mutualistic.
The relationship is predator-prey.
The relationship is predator-prey.
The relationship is competitive.
The relationship is competitive.
The relationship is parasitic.
The relationship is competitive.
Leaf-cutter ants cultivate fungus. The ants keep conditions optimal for fungus growth and carry leaf fragments for the fungus to grow on. Then the ants feed on pieces of the fungus. Which kind of relationship exists between the fungus and the ants?(1 point)
Responses
consumer/producer
consumer/producer
symbiotic
symbiotic
parasite/host
parasite/host
predator/prey
predator/prey
The kind of relationship that exists between the fungus and the ants is symbiotic.
Which pair of organisms can be in a parasite/host relationship?(1 point)
Responses
bees and flowers
bees and flowers
goats and grasses
goats and grasses
dogs and fleas
dogs and fleas
snakes and mice