Thursday, March 1, 2012

4th Grade Science Test Plants and Animals: Ecology


4th Grade Science
Plants and Animals
Ecology Test
            Name:
                               

Instructions: Choose the best answer for each question.
1.                    a series of living beings in which each serves as food for the next.
 food chain
 shelter
 nutrient
 population
2.                    the imitation by an organism of its environment or of other organisms as a means of survival.
 pollution
 mimicry
 migration
 habitat
3.                    the act of putting or ordering things into groups of similar things.
 population
 recycle
 classification
 prey
4.                    poisons, waste, or other materials that cause harm to the environment.
 camouflage
 herbivore
 pollution
 nutrient
5.                    materials that are found in nature and that can be used by people in many ways. Fresh water, soil, coal, and forests are all examples of __________.
 ecosystem
 natural resources
 prey
 mimicry
6.                    to put used things through a process that allows them to be used again.
 recycle
 shelter
 habitat
 photosynthesis
7.                    an animal that eats the flesh of other animals.
 producer
 migration
 shelter
 carnivore
8.                    an animal that only feeds on plants.
 natural resources
 camouflage
 endangered species
  herbivore
9.                    a community of living things, together with their environment.
 pollution
 ecosystem
 recycle
 carnivore
10.                 the total number of people living in a country, city, or other area.
 natural resources
 population
 predator
 food chain
11.                 a place or structure that gives protection against weather or danger.
 population
 prey
 shelter
 ecosystem
12.                 the act or process of migrating.
 oxygen
 migration
 prey
 mimicry
13.                 an animal that hunts other animals for food.
 recycle
 producer
 shelter
 predator
14.                 the natural environment of an animal or plant.
 mimicry
 consumer
 habitat
 migration
15.                 a species of plant or animal that is in danger of becoming extinct.
 carnivore
 predator
 endangered species
 recycle
16.                 a plant or organism that makes something useful.
 producer
 carnivore
 predator
 natural resources
17.                 a way of hiding something by covering or coloring it so that it looks like its surroundings. The military uses __________ to hide people, buildings, or vehicles from the enemy.
 carnivore
 predator
 camouflage
 nutrient
18.                 a person, animal or organism that uses products, goods or services.
 classification
 consumer
 pollution
 migration
19.                 something in food that helps people, animals, and plants live and grow.
 ecosystem
 population
 nutrient
 prey
20.                 the process by which a green plant uses sunlight to change water and carbon dioxide into food for itself.
 consumer
 photosynthesis
 mimicry
 natural resources
21.                 an animal being hunted, caught, and eaten by another animal.
 consumer
 shelter
 prey
 habitat
22.                 in biology, the placing of plants and animals in groups, based on structure and other criteria; taxonomy.
 migration
 classification
 habitat
 shelter
23.                 a gas that is part of air. It has no color or smell. Most living things need __________ to live.
 migration
 classification
 oxygen
 natural resources

Name:
 

Instructions: Choose the best answer for each question.
1.                   the main part of a plant that supports the branches, leaves, and other parts.
 photosynthesis
 pollen
 oxygen
 stem
2.                   the fine powder made by a flowering plants that helps the plant produce new plants.
 pollen
 perennial
 stem
 root
3.                   the process by which a green plant uses sunlight to change water and carbon dioxide into food for itself.
 pollution
 stem
 pollen
 photosynthesis
4.                   of, like, formed by, or pertaining to trees.
 arboreal
 pollution
 germinate
 perennial
5.                   lasting throughout the year or for many years.
 germinate
 perennial
 seed
 stem
6.                   poisons, waste, or other materials that cause harm to the environment.
 chlorophyll
 pollution
 perennial
 seed
7.                   to start or cause to start growth; sprout.
 perennial
 soil
 chlorophyll
 germinate
8.                   the small part of a plant with flowers that grows into a new plant.
 seed
 germinate
 fertilizer
 chlorophyll
9.                   the green matter in the leaves and stems of plants that is necessary to produce food for plants from sunlight.
 fertilizer
 soil
 pollution
 chlorophyll
10.               a natural or chemical substance that you add to soil to make it better for growing plants.
 perennial
 photosynthesis
 soil
 fertilizer
11.               the top layer of the earth's surface; dirt.
 seed
 perennial
 oxygen
 soil
12.               having a life cycle of more than two years as a plant.
 fertilizer
 perennial
 stem
 oxygen
13.               the part of a plant that grows under the ground. __________ take in water and food, and they hold the plant in the soil.
 stem
 fertilizer
 root
 soil
14.               a gas that is part of air. It has no color or smell. Most living things need __________ to live.
 stem
 photosynthesis
 oxygen
 fertilizer

No comments:

Post a Comment

Thank you!