Binder: Assessments Due Date: 12/06/19 Name: Ecology Unit Quiz One

1.) _____ Which is a biotic factor of an alpine forest? a. elk c. soil b. rainfall d. mountains

2.) _____ Which of these contains both abiotic and biotic elements in a desert environment? a. rocks and sunlight c. scorpions and sand

b. water and pebbles d. roadrunners and snakes 3.) _____ 3. Grass makes food using sunlight. A rabbit eats the grass. A fox eats the rabbit. A bear eats the fox. In this

food chain, which part is the abiotic element? a. grass c. fox

b. rabbit d. sunlight 4.) _____ Which of the following correctly shows the organization in an ecosystem, from the smallest to the largest level?

a. Community, Ecosystem, Organism, Population c. Organism, Population, Community, Ecosystem b. Ecosystem, Community, Population, Organism d. Population, Community, Ecosystem, Organism

5.) _____ A scientist observes the sunlight coming through pine trees and shining on a lake that is full of fish. Which of

these elements are abiotic factors? a. the sunlight and the water c. the fish and the pine trees b. the sunlight and the fish d. the fish and the water 6.) _____ Which of the following is an example of how an abiotic component affects a community?

a. A wet spring leads to an increase in the frog population. b. A beetle from another continent kills a population of trees. c. A fungus infects a population of bats and many die. d. An increase in flies leads to an increase in the swallow population.

7.) _____ The pictures show three abiotic features of ecosystems.

Which is the major characteristic of abiotic features? a. They are all non-living.

b. They are in all ecosystems. c. They are necessary for life.

d. They are impossible to measure. 8.) _____ What is the largest geographic area that contains all the ecosystems on Earth called?

a. Biome c. Ecosystem b. Biosphere d. Environment

9.) _____ Which statement is true?

a. An organism is part of a community. c. An ecosystem is made up of only organisms. b. A community is part of a population. d. A biome is the biotic part of an ecosystem.

10.) _____ Which is an example of an abiotic element changing an area?

a. introducing a new type of grass c. two species of birds competing b. water flooding the area d. algae growing on crabgrass

11.) _____ What do several different populations living together make?

a. a biosphere c. a community b. an organism d. an ecosystem

12.) _____ The plants a ladybug lives on, the aphids the ladybug eats, and the birds that would eat the ladybug are all

a. biotic elements of an ecosystem. c. producers b. predators. d. abiotic elements of an ecosystem.

13.) _____ An environmental study reporting on the way temperature, water quality, and minerals affect the animals in a

salt marsh would be considering which level of organization? a. individual organism c. community b. population d. ecosystem

14.) _____ The picture to the right contains what parts of an ecosystem? a. biotic c. abiotic b. living d. hot & cold

15.) _____ A biotic factor means that something is

a. non-living c. natural b. living d. able to fly

16.) _____ If scientists are studying the egrets, herons, marsh crabs, and

cordgrass, but not the water or rocks in a salt marsh, what level of organization would they be studying? a. individual organism c. community b. population d. ecosystem

17.) _____ A(n) _____________ is all the living and nonliving things in a particular area that interact with one another.

a. Biome c. Ecosystem b. Community d. Population

18.) _____ Which statement about living things and their environment is true?

a. A seed has everything a plant needs to grow and survive. b. A plant gets the things it needs from its environment. c. Plants need only water from their environment to survive and grow. d. Plants make their own food, so they do not need anything from their environment.

19.) _____ Which of the following is a biotic factor operating within an ecosystem?

a. The kind of climate in a given region c. The concentration of hydrogen gas in the air b. Carnivores that eat other animals d. The rate of water flow in a body of water

20.) _____ A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that a

living organism depends on a. biotic factors c. symbiotic relationships b. abiotic factors d. carnivore-herbivore relationships

Honors Questions Label the levels of environmental organization. 21.) _______________ 22.) _______________ 23.) _______________ 24.) _______________ 25.) _______________ List three biotic factors from the image: a.) _______________ b.) _______________ c.) _______________ List three abiotic factors from the image: a.) _______________ b.) _______________ c.) _______________