Quiz about Open Scied

Question 1

Question 1.

Accepted Answer

Decomposer

Answer

Producer

Answer

Primary Consumer

Answer

Autotroph

Question 2

Question 2.

Accepted Answer

Primary Consumer

Answer

Producer

Answer

Secondary Consumer

Answer

Decomposer

Question 3

Question 3.

Accepted Answer

Producer

Answer

Primary Consumer

Answer

Secondary Consumer

Answer

Decomposer

Question 4

What percentage of energy is passed on to each trophic level?

Accepted Answer

10%

Answer

50%

Answer

90%

Answer

100%

Question 5

The arrows in a food chain or web represent ...

Accepted Answer

They show the direction the energy is flowing between organisms.

Answer

They point to the organism that is being eaten.

Answer

It shows how sunlight flows within an ecosystem.

Answer

They represent how water is transferred within a habitat.

Question 6

An animal that is hunted and eaten for food is the  __________.

Accepted Answer

prey

Answer

predator

Answer

population

Question 7

An organism that gets energy from eating other organisms is a ______________.

Accepted Answer

consumer

Answer

producer

Answer

decomposer

Answer

prey

Question 8

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

Accepted Answer

There would be a decrease in the grass/flowers population.

Answer

There would be a decrease in the small bird population.

Answer

There would be a decrease in the mice population.

Answer

There would be an increase in the grass/flowers population.

Question 9

Which of the following best describes the small bird in the food web above?

Accepted Answer

secondary and tertiary consumer

Answer

primary and secondary consumer

Answer

primary consumer only

Answer

secondary consumer only

Question 10

Why is some energy not passed on to the next trophic level?

Accepted Answer

The organisms at each level use about 90% of the available energy to live.

Answer

The statement is NOT true. All energy IS passed from one trophic level to the next.

Answer

The organisms at each level use about 10% of the available energy to live.

Answer

Most energy is absorbed by the soil instead.

Question 11

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain organisms that can photosynthesize?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 12

If there are 100 kcal of energy available in the producers, how much energy would be available to the herbivores?

Accepted Answer

10 Kcal

Answer

1 Kcal

Answer

100 Kcal

Answer

1000 Kcal

Question 13

Which organism(s) in the food web above can be described as quaternary consumers?

Accepted Answer

owl and mosquito

Answer

mouse only

Answer

small bird and owl

Answer

owl only

Question 14

Which organisms have the most energy?

Accepted Answer

plants

Answer

ladybugs

Answer

owl

Answer

mosquitoes

Question 15

If these organisms were arranged in an ecological biomass pyramid, which organism would have the least amount of biomass?

Accepted Answer

coyote

Answer

insect

Answer

lizard

Answer

shrub

Question 16

If the small bird on trophic level 3 in the pyramid has 50 kcal of energy available, how many kcal of energy were present in the trees?

Accepted Answer

5000

Answer

5

Answer

500

Answer

0.5

Question 17

Which organisms would likely have the largest biomass?

Accepted Answer

flowers, trees and fruit

Answer

mountain lions and eagles

Answer

snakes and frogs

Answer

squirrels and deer

Question 18

Which of these best explains why predators need plants, such as grass, in their ecosystem?

Accepted Answer

Plants provide food for their animals that the predators eat

Answer

Plants are a large part of their diets

Answer

Plants provide safety for predators

Answer

Plants break down the organisms that the predators eat

Question 19

What is indicated by the diagram?

Accepted Answer

Food web

Answer

Food chain

Answer

Food map

Answer

Food menu

Question 20

An organism that eats both plants and animals is known as a(n)

Accepted Answer

Omnivore

Answer

Carnivore

Answer

Herbivore

Answer

Decomposer

Question 21

Autotrophs are organisms that produce their own food. Which do scientists classify as autotrophs?

Accepted Answer

Plants

Answer

Chordates

Answer

Fungi

Answer

Molds

Question 22

What is the first source of energy for almost all food webs?

Accepted Answer

Sunlight

Answer

Plants

Answer

Mineral in the soil

Answer

Decomposers

Question 23

What organisms are at the bottom of an energy pyramid?

Accepted Answer

Producer

Answer

Consumer

Answer

Decomposer

Answer

Scavenger

Question 24

How much energy is passed on to each trophic level in an energy pyramid?

Accepted Answer

10%

Answer

90%

Answer

50%

Answer

80%

Question 25

Where do crickets get their energy?

Accepted Answer

Cattails

Answer

Marsh Grass

Answer

Grasshoppers

Answer

Shrews

Question 26

Which organisms in the diagram have the most energy to give to other organisms?

Accepted Answer

Cattails and Marsh Grass

Answer

Hawks and Snakes

Answer

Crickets and Grasshoppers

Answer

Shrews and Frogs

Question 27

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.

Accepted Answer

rabbit population

Answer

hawk population

Answer

wildflower population

Answer

grass population

Question 28

All of the following are consumers except

Accepted Answer

Autotrophs

Answer

Herbivores

Answer

Heterotrophs

Answer

Ominvores

Question 29

If there are 47,802 calories (energy) available at the producer level of this food chain, how many calories would be available at the tertiary consumer level?

Accepted Answer

47.802

Answer

478.02

Answer

4.7802

Answer

0

Question 30

All energy in an ecosystem comes from the sun. This energy is passed through the ecosystem as organisms eat other organsims.

Accepted Answer

Flow of energy

Answer

Ominvores

Answer

Herbivores

Answer

Detritivores

Question 31

Organisms that produce their own food mostly through photosynthesis (producers). Examples are plants and algae.

Accepted Answer

Autotroph

Answer

Ominvore

Answer

Detritivore

Answer

Heterotroph

Question 32

Organisms that get their energy and nutrition from other organisms (consumers).

Accepted Answer

Heterotroph

Answer

Autotroph

Answer

Decomposer

Answer

Detritivore

Question 33

Heterotrophs that get energy and nutrition from dead or decaying organisms or their waste products and recycle nutrients back to the ecosystem.

Accepted Answer

Decomposer

Answer

Producer

Answer

Trophic

Answer

Autotrooph

Question 34

The level in an Ecological pyramid that includes all the organisms that share the same place in a food chain.

Accepted Answer

Trophic Levels

Answer

Toxic Levels

Answer

KeKe Levels

Answer

Environmental Systems

Question 35

Autotrophs--The bottom trophic level where all organisms produce their own food, usually by photosynthesis.

Accepted Answer

Producers

Answer

Trophic Levels

Answer

Ominvores

Answer

Herbivores

Question 36

Herbivores--The second trophic level where herbivores eat the primary producers.

Accepted Answer

Primary Consumers

Answer

Detritivores

Answer

Autotrophs

Answer

Producers

Question 37

The third trophic level where the animals eat herbivores.

Accepted Answer

Secondary Consumer

Answer

Abiotic Factor

Answer

Biotic Factor

Answer

Secondary Producer

Question 38

The fourth trophic level where animals eat secondary consumers or below.

Accepted Answer

Tertiary Consumer

Answer

Herbivore

Answer

Autotroph

Answer

Tertiary Producer

Question 39

Only 10% of the energy is passed on from one trophic level to the next. 90% is lost as heat due to cellular respiration or waste.

Accepted Answer

10% Rule

Answer

Tertiary Consumer

Answer

Biotic Factor

Answer

Abiotic Factor

Question 40

Complex trophic relationships in an ecological pyramid.

Accepted Answer

Food Web

Answer

Food Chain

Answer

Abiotic Factor

Answer

Biome

Question 41

Parts of an ecosystem that are living or deal with the living. Examples include producers, consumers, decomposers, predation, disease, competition, parasitism, and symbiosis.

Accepted Answer

Biotic Factors

Answer

Abiotic Factors

Answer

Community

Answer

Population

Question 42

Parts of an ecosystem that are not living. Examples: water, soil, sunlight, temperature, altitude.

Accepted Answer

Abiotic Factors

Answer

Detritivores

Answer

Herbivores

Answer

Biotic Factors

Question 43

The flow of nitrogen from the atmosphere to the soil, to plants, to animals and then back to the soil or back into the atmosphere.

Accepted Answer

Nitrogen Cycle

Answer

Carbon Cycle

Answer

Trophic Cycle

Answer

Abiotic Cycle

Question 44

The flow of carbon from the atmosphere to plants, to animals to the soil and back into the atmosphere.

Accepted Answer

Carbon Cycle

Answer

Bi-Cycle

Answer

Nitrogen Cycle

Answer

Abiotic Cycle

Question 45

Which ocean organism is considered a producer?

Accepted Answer

Phytoplankton

Answer

Zooplankton

Answer

Small fish

Answer

Whales

Question 46

Which animal is the apex predator?

Accepted Answer

hawk

Answer

lizard

Answer

snake

Answer

grass

Question 47

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

Accepted Answer

90%

Answer

80%

Answer

10%

Answer

20%

Question 48

Which of the following would be the definition of a scavenger/detritivore?

Accepted Answer

Things that feed on dead, rotting organisms (roadkill)

Answer

Animals that eat insects.

Answer

Organisms that feed on rocks, recycling the nutrients back into the ground.

Answer

Organisms that eat only plants

Question 49

The correct balanced equation for photosynthesis is

Accepted Answer

6 H₂O + 6 CO₂+ light --> C₆H₁₂O₆ + 6 O₂

Answer

C₆H₁₂O₆ + 6 O₂ --> 6 CO₂ + 6 H₂O + energy

Answer

C₆H₁₂O₆ + O₂ --> CO₂ + H₂O + energy

Answer

CO₂ + H₂O + light --> C₆H₁₂O₆ + O₂

Question 50

If plants breathe in carbon dioxide, what do they breathe out?

Accepted Answer

Oxygen

Answer

Nitrogen

Answer

Carbon Monoxide

Answer

Hydrogen

Question 51

What are the structures inside plant cells that contain chlorophyll called?

Accepted Answer

Chloroplasts

Answer

Nucleus

Answer

Ribosomes

Question 52

The energy needed for photosynthesis is

Accepted Answer

Light energy from the sun

Answer

Chemical energy stored in molecules

Answer

Potential energy

Question 53

Nearly all living organisms obtain energy either directly or indirectly from the ____________ captured during photosynthesis.

Accepted Answer

sun

Answer

moon

Answer

soil

Answer

water

Answer

atmosphere

Question 54

What major energy transformation occurs during photosynthesis?

Accepted Answer

Radiant (light)--> Chemical

Answer

Thermal --> Chemical

Answer

Kinetic --> Radiant

Answer

Chemical --> Radiant

Question 55

What are the ecological levels of organization from smallest to the largest?

Accepted Answer

organism, population, community, ecosystem, biome, biosphere

Answer

organism, community, population, ecosystem, biome, biosphere

Answer

organism, population, community, biome, ecosystem, ecosphere.

Answer

organism, community, population, biome, ecosystem, ecosphere

Question 56

Which of the following shows the correct order of the pictures from the LOWEST (smallest) to the HIGHEST (largest) level of organization?

Accepted Answer

R > T > S > Q

Answer

Q > S > T > R

Answer

Q > R > T > S

Answer

S > T > R > Q

Question 57

Which of the following shows the correct order of the pictures from the LOWEST (smallest) to the HIGHEST (largest) level of organization?

Accepted Answer

c > b > d > a

Answer

b > c > a > d

Answer

c > b > a > d

Answer

a > d > b > c

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