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SEMESTER 2 EXAM (6th Grade Science)

Total questions: 50

Worksheet time: 34mins

Name
Class
Date
1.

The science of describing, classifying and naming living things is called:

a)

Geology

b)

Taxonomy

c)

Biology

d)

Chemistry

2.

97% of animals that exist are classified as invertebrates.

a)

True

b)

False

3.

This means an animal changes it body temperature to match its surroundings.

a)

Endothermic

b)

Endoskeleteon

c)

Ectothermic

d)

Exoskeleton

4.

There are over 35 phyla. They are broken into two groups. What are they?

a)

Vertebrates and invertebrates

b)

animals and plants

c)

class and order

d)

levels of organization

5.

Physical adaptations are

a)

animal body parts or physical features

b)

behaviors an animal is born with to meet their needs

c)

when an animal looks like another animal or plant

d)

seasonal periods of time when an animal goes into a long deep sleep.

6.

Mimicry is

a)

an animals color and pattern that helps it blend in with its surroundings.

b)

when an animal looks like another animal or plant

c)

animal body parts or physical features

d)

movement of one group of one type animal to one region to another and back again.

7.

Which of the following is NOT a instinctive behavioral adaptation?

a)

Defending oneself

b)

Hibernating over winter

c)

Playing with animals of the same species

d)

Raising offspring (young)

8.

Animals that stay warm in cold habitats with thick fur body coverings is an example of a _____________ adaptation.

a)

behavioral

b)

learned

c)

environmental

d)

physical

9.

Which of the following is an example of camouflage?

a)

An insect that imitates a bee

b)

A king snake that looks like a coral snake

c)

A white rabbit blending in with the snow

d)

A moth that mimics a leaf

10.

Which of the following is NOT a physical adaptation?

a)

A bear hibernating in the winter

b)

A fish with scales on its body

c)

A bird with a sharp beak

d)

A cheetah with retractable claws

11.

A "cause" for something to happen is the

a)

response

b)

stimulus

c)

effect

d)

homeostasis

12.

The maintenance of an organism's internal environment is called:

a)

Stimilus

b)

Response

c)

Homeostasis

d)

Balancing

13.

How many kingdoms are organisms classified into?

a)

5

b)

6

c)

4

d)

3

14.

What does a scientific name consists of?Genus & Order

a)

Genus & Order

b)

Genus & Species

c)

Genus & Domain

d)

Kingdom & Phylum

15.

these long thin, whip-like structure are used for movement by some algae & euglena.

a)

saprophytes

b)

Flagella

c)

Cilia

d)

Pseudopod

16.

Organisms that live in or on another organism to obtain food directly are called ___________.

a)

Parasites

b)

Flagellum

c)

Saprophytes

d)

Mycorrhizae

17.

_______ is a reproductive cell of fungi

a)

hyphae

b)

spore

c)

psedopods

d)

club

18.

_________ are long fibrous strands that obtain food and nutrients in Fungi.

a)

hyphae

b)

Spore

c)

Club

d)

pseudopods

19.

What does a euglena use to move and obtain food?

a)

Flaggellum

b)

pseudopod

c)

cilia

20.

What does an amoeba use to go move and obtain food?

a)

cilia

b)

pseudopod

c)

flagellum

21.

What does a vascular plant use to transport water to the rest of the plant?

a)

Phloem

b)

roots

c)

xylem

d)

Soil

22.

What does a vascular plant use to transport food to the rest of the plant?

a)

Phloem

b)

Roots

c)

xylem

d)

Soil

23.

____________ are plants that DO NOT have true roots, stems or leaves.

a)

Vascular Plants

b)

Nonvascular Plants

c)

Dicot

d)

Monocot

24.

Which type of protist is known for its avoidance behavior?

a)

Euglena

b)

Paramecium

c)

Amoeba

25.

Is a fern classified as a seed or non-seed plant?

a)

seed plant

b)

non-seed plant

26.

Does the moss in this picture reproduce using seeds?

a)

yes

b)

no

27.

Why is the plant in the picture a vascular plant?

a)

it can absorb light from the sun

b)

it has a stem that can carry water and nutrients

c)

it has more than one cell

d)

it can make it's own food

28.
What is a dichotomous key used for in science?
a)
To organize biomes
b)
Classify organisms
c)
Identify bacteria only
d)
None of these
29.

How are reptiles and fish alike?

a)

neither has scales

b)

both breathe with gills

c)

neither has a backbone

d)

both have body temperatures that change with their surroundings

30.

A student wants to research invertebrate animals. Which of these animals should she study? Select 3

a)

frog

b)

fish

c)

clam

d)

worm

e)

spider

31.

Which features can a scientist use to identify an amphibian? Select 3

a)

has a backbone

b)

has no backbone

c)

has smooth, moist skin

d)

has scales or plates on skin

e)

breathes first with gills and then with lungs

32.
Lamprey and hagfish are examples of jawless fishes thus they are cold blooded. 
a)
TRUE
b)
FALSE
33.
Animals that have backbones are...
a)
Vertebrates
b)
Invertebrates
c)
Mollusk
d)
Lobster
34.
What type of animal has fur and feeds its young with milk?
a)
birds
b)
reptiles
c)
amphibians
d)
mammals
35.
What classification of animals are  vertebrae (have a backbone)?
a)
birds only
b)
reptiles only
c)
reptiles and birds but not mammals and fish
d)
mammals, fish, reptiles, amphibians, and birds
36.
The process by which certain animals form strong attachments during an early-life critical period.
a)
migration
b)
imprinting
c)
stimulus
d)
dominance
37.
A period of inactivity that some animals experience in winter that allows them to survive on stored body fat.
a)
pheromone
b)
hibernation
c)
submission
d)
estivation
38.
A behavior that has been developed from experience.
a)
social
b)
innate
c)
learned
d)
aggression
39.
A behavior that is inherited rather than acquired.
a)
learned
b)
innate
c)
social
d)
trial and error
40.
A social interaction with the sole purpose of finding a mate.
a)
courtship
b)
hibernation
c)
aggression
d)
submission
41.
A reaction to a stimulus.
a)
territoriality
b)
courtship
c)
response
d)
trial and error
42.
A signal to which an organism responds.
a)
imprinting
b)
habituation
c)
classical conditioning
d)
stimulus
43.
Which part of the plant makes the food?
a)
roots
b)
stem
c)
leaf
d)
flower
44.
What part of the plant is #2?
a)
leaf
b)
flower
c)
stem
d)
root
45.
What is the substance in plants that make them green?
a)
stigma
b)
carbon dioxide
c)
photosynthesis
d)
chlorophyll
46.
Which of the following statements best describes xylem's function in the plant?
a)
transpports water and minerals up from the roots to the rest of the plant
b)
transports food down from the leaves to the rest of the plant
c)
transports water and minerals down from the roots to the rest of the plant
d)
transports food up from the leaves to the rest of the plant
47.
Which of the following statements best describes phloem's function in the plant?
a)
transpports water and minerals up from the roots to the rest of the plant
b)
transports food down from the leaves to the rest of the plant
c)
transports water and minerals down from the roots to the rest of the plant
d)
transports food up from the leaves to the rest of the plant
48.
What organelle in the leaves of plants capture light energy from the sun to complete photosynthesis?
a)
Chloroplasts
b)
Mitochondria
c)
Nucleus
d)
Ribosomes
49.
Plants need sunlight to survive because _________ .
a)
they need to stay very warm.
b)
they need to be able to see danger.
c)
they get minerals from sunlight.
d)
they make food from sunlight.
50.
How do plants get their energy?
a)
through a reaction called chlorophyll 
b)
by a process called photosynthesis 
c)
by absorbing mineral nutrients from soil 
d)
by eating other organisms 

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