5th Grade - SCIENCE QUIZ - pp 176-179 Flashcards
The transfer of energy and nutrients through a community is called ____.
food chain
Any animal that hunts and eats other animals is called a _____.
predator
The animals that a predator hunts are called its ____.
prey
A _______ consists of several food chains linked together.
food web
Then two or more organisms are trying to use the same resources, _____ occurs to help balance the ecosystem.
competition
________ show how how energy moves through an ecosystem.
energy pyramids
________ form the base of an energy pyramid.
producers
Each organism uses most of the _______ it consumes to meet its own needs. Only ______ of the energy is passed on to the next organism.
Each organism uses most of the energy it consumes to meet its own needs. Only 10% of the energy is passed on to the next organism.
Mesquite bush and the prickly pear cacti are examples of what?
producers
Is the jackrabbit an omnivore or herbivore?
herbivore
Name an animal that is a predator of the kangaroo rat?
Examples: coyote, Harris’ hawk, great horned owl
Is the coyote an omnivore or carnivore?
omnivore
What would happen is the coyote population decreased? Why?
The kangaroo rate and the jack rabbit population might increase because there would be fewer predators to hunt the prey. There might not be enough food for the increased kangaroo rat and jackrabbit populations. One change affects all.
How is a food chain different from a food web?
A food chain shows only one food source for each animal. A food web has several different food chains linked together.
Are jack rabbits predator or prey of the coyote?
prey