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Downlands Yr 7 Ecology Retrieval Quiz 1

Total questions: 60

Worksheet time: 42mins

Name
Class
Date
1.

Choose the correct category.

a)

Bacteria

b)

Fungi

c)

Archaea

d)

Animalae

2.

Choose the correct category.

a)

Bacteria

b)

Fungi

c)

Archaea

d)

Animalae

3.

Choose the correct category.

a)

Bacteria

b)

Plantae

c)

Archaea

d)

Animalae

4.

Choose the correct category.

a)

Bacteria

b)

Plantae

c)

Protista

d)

Animalae

5.

Choose the correct answer.

a)

unicellular

b)

multicellular

c)

acellular

6.

Choose the correct answer.

a)

unicellular

b)

multicellular

c)

acellular

7.

What is the best definition of biodiversity?

a)

The number of plants and animals that have adapted to their environment

b)

the number and types of plants and animals that exist in a particular area or in the world generally

c)

When there is only a few species that live in an area

8.

Which is NOT one of the Five Kingdoms scientists use to classify all living things?

a)

Animals

b)

Plants

c)

Insects

d)

Fungi

9.

Why is biodiversity so important?

a)

It maintains environmental health

b)

The more diverse the community, the more able it is to survive any and all changes

c)

The interrelationships between and among species and the environment is key to its health

d)

All of the above

10.

A system of interlocking and interdependent food chains.

a)

Food Web

b)

Trophic level

c)

Energy Pyramid

d)

Ecosystem

11.

Organisms that can make their own food in the ecosystem.

a)

Producer

b)

Consumers

c)

Decomposers

d)

Carnivores

12.

Animals that feeds on flesh.

a)

Consumer

b)

Producer

c)

Decomposer

d)

Carnivores

13.

What will happen if the grasses are removed from an ecosystem?

a)

Herbivores will not be able to survive

b)

Less energy will become available for organisms at higher trophic levels.

c)

The primary consumers will increase in number.

d)

More energy will be stored in the tissues of consumers and other organisms.

14.

A species has physically adapted by using camouflage. What is true?

a)

it has migrated to avoid predators

b)

it has hibernated to avoid predators

c)

it has "played dead" to avoid predators

d)

it has blended in with its surrounding to avoid predators

15.

What happens to unnecessary traits during the process of natural selection?

a)

they suddenly disappear

b)

they pass to all future generations

c)

they gradually disappear

d)

they pass to some organisms but not others

16.

What is natural selection?

a)

passing of hiding traits to future generations

b)

passing of survival traits to future generations

c)

passing of hunting traits to future generations

17.
Why might some plants have thorns?
a)
to stay safe from animals that want to eat the plant
b)
to attract insects that spread pollen to other plants
c)
to take in nutrients from the air
d)
to provide shade for the plant
18.

Plant parts that use sunlight to make food

a)

Roots

b)

Flowers

c)

Seeds

d)

Leaves

19.

An adaptation that helps a cactus live in the desert is its

a)

wide, flat leaves to catch water

b)

bright green color

c)

thin, spiny needles

d)

tall stems

20.
The place where an organisms lives
a)
Home
b)
Habitat
c)
Community
d)
Population
21.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
22.
Which statement is correct?
a)
The lion and rhino have a predator/prey relationship.
b)
The grasshopper is the predator and the bird is the prey.
c)
Giraffes compete with lions and birds.
d)
None of the above
23.

Each step in a food chain or web is called a

a)

trophic level

b)

consumer

c)

predator prey relationship

d)

mutualism

24.

As you go up levels in an energy pyramid, what happens to energy gained by the consumer

a)

it increases

b)

it decreases

c)

it changes into a different energy form

d)

it turns into calories

25.
Why is a deer classified as a herbivore?
a)
A deer makes its own food.
b)
A deer eats only plants.
c)
A deer eats only animals.
d)
A deer eats plants and animals.
26.
Which habitat exhibits the greatest biodiversity?
a)
A habitat with 15 different species with about 300 individuals each
b)
A habitat with 10 different species with about 75 individuals each
c)
A habitat with 4 different species with about 150 individuals each
d)
A habitat with only one species with about 2000 individual
27.
How can humans best help an endangered species avoid extinction?
a)
they can feed the animals
b)
they can put the animals in a zoo
c)
they can protect the animal’s habitat
d)
they can take the animal to new habitats
28.
What factor does NOT affect biodiversity?
a)
Urbanization
b)
Planting Native Plants
c)
Overfishing
d)
Pollution
29.
A plant nursery only grew one type of tomato. All of their tomatoes died from the same disease. What was most likely true of the tomato plant population?
a)
a. It had too little biodiversity
b)
b. It had a lot of resistance to disease
c)
c. It had a few plants that were resistant to disease
d)
d. It had too much genetic variation
30.
In what way are humans most impacting the biodiversity of ecosystems around the world?
a)
a. We are putting too many organisms in zoos or keeping them as pets
b)
b. We are increasing biodiversity by breeding new species
c)
c. We are destroying the habitats of a large number of species
d)
d. Recreational hunting
31.

to arrange something into groups according to similarities

a)

Classify

b)

Family

c)

Kingdon

d)

Orginize

32.

a large category of classification. Animal, plant and fungus are examples

a)

Genus

b)

Kingdom

c)

Family

d)

Phylum

33.

Organisms are classified based on ________.

a)

the number of them that exists in a species

b)

their Greek names

c)

similarities and evolutionary relationships

d)

the year their fossils are discovered

34.

A trait or change in lifestyle that helps a plant or animal survive in its environment

a)

adaptation

b)

evolution

c)

homologous

d)

vestigial

35.
Natural selection is
a)
survival of the fittest
b)
humans change
c)
two species are the same
d)
more animals survive
36.
Charles Darwin came up with this theory 
a)
Natural Selection
b)
Mutation
37.
Which of the following would represent a sudden environmental change?
a)
Wildfire
b)
Global Warming
c)
Competition for food
38.
The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
39.

What is the best definition of animal adaptation?

a)

Changes to an animal's diet.

b)

Characteristics that help animals survive.

c)

Characteristics of an animal's habitat.

d)

Skills learned in order to hunt.

40.

True or false: All animals have adaptations that help them survive in their habitat.

a)

True

b)

False

c)

Partially true: Not all animals have adaptations

d)

Partially true: adaptations are not for surviving

41.
Which best describes how a porcupine defends itself from predators?
a)
it changes color
b)
it has sharp quills
c)
it moves very rapidly
d)
it makes a loud noise
42.
Why do monkeys have long arms and tails?
a)
to hug each other
b)
to wrap around them to stay warm
c)
to swing quickly from tree branches
d)
to high-five each other
43.

Desert plants have a coat of wax on their leaves to

a)

keep water from escaping

b)

protect them from animals eating them

c)

absorb water from the air

d)

release scent to attract animals

44.

Which feature of a rose helps it grow without being eaten by animals?

a)

flowers with bright colors

b)

sharp thorns

c)

small seeds

d)

deep roots

45.

What is one possible reason for seeds to have hooks or barbs?

a)

to stay warm during the winter

b)

to protect themselves from sunlight

c)

to get attached to passing animals and get carried away

d)

to stick to animals and steal nutrients from them

46.

A plant is adapted to a forest with little sunlight. Identify the BEST adaptation this plant might have to ensure its survival.

a)

extremely long root system

b)

thick, waxy, spike covered leaves

c)

ability to attach to and grow upwards on taller trees

d)

shallow root system near the surface

47.

Why might some plants that grow on the shady rain forest floor have large leaves?

a)

to stay safe from predators

b)

to attract different animals

c)

to survive harsh winters with heavy snowfall

d)

to take in as much sunlight as possible

48.

Water plants have ___________ stems that allow them to bend with the flow.

a)

strong

b)

flexible

c)

unbendable

d)

long

49.

Many plants have bright, sweet smelling flowers. How would this adaptation help the plant?

a)

It warns away predators

b)

It attracts bees and other pollinators

c)

It helps the plant store water

d)

It gives the plant shade.

50.

An organism that can make its own food

a)

autobot

b)

heterotroph

c)

autotroph

d)

heterobot

51.

Small openings on the underside of a leaf through which oxygen and carbon dioxide can move. Where gas exchange occurs in a plant.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

52.

Location inside of a plant cell where the process of photosynthesis occurs.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

53.

Pigment which 'fills' chloroplast. This pigment absorbs sunlight.

a)

nodules

b)

stomata

c)

chlorine

d)

chlorophyll

54.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

55.

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

56.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

57.

The openings that are found in the leaves of plants are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

58.
What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
59.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
60.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen

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