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7th Grade Life Science Review

Total questions: 132

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

What is an organism?

(a)  

2.

An organism that is made of one cell is called...

(a)  

3.

An organism that contains many cells is called...

(a)  

4.

All living things are made from

(a)  

5.

Homeostasis keeps the insides (a)   while the outside changes.

6.

When an organism breaths, eats, or gets rid of waste, it is shown to have a...

(a)  

7.

Squinting at bright lights or smelling something nice is an example of reacting to...

(a)  

8.

A change in a population over time is called...

(a)  

9.

Being able to create offspring is called...

(a)  

10.

Organisms change throughout their lives, when they get bigger we call it...

(a)  

11.

Organisms change throughout their lives, when they get more complex we call it...

(a)  

12.

An organism with a nucleus is called a(n)...

(a)  

13.

An organism without a nucleus is called a...

(a)  

14.

What type of reproduction produces genetically diverse offspring?

(a)  

15.

What type of reproduction produces clones?

(a)  

16.

A segment of DNA that codes for a trait is called...

(a)  

17.

DNA is stored in tightly packed bundles (that look like Xs) that are called...

(a)  

18.

The "gatekeeper" of the cell is called...

(a)  

19.

What variable does the scientist change?

(a)  

20.

Where does photosynthesis take place within a plant cell?

(a)  

21.

An animal cell does not have...

(a)  

22.

Where does digestion occur?

(a)  

23.

The diaphragm (pronounced die-uh-fram) is part of what body system?

(a)  

24.

How many parents are required for sexual reproduction?

(a)  

25.

How many parents are required for asexual reproduction?

(a)  

26.

The complete death of a species is called (a)  

27.

Camouflage, hibernation, and migration are all examples of what?

(a)  

28.

The physical characteristic/trait. This is what a genotype codes for.

(a)  

29.

The combination of alleles that code for the phenotype.

(a)  

30.

Different variations of the same gene.

(a)  

31.

Who came up with the theory of evolution?

(a)  

32.

Having a tattoo is an example of a(n) (a)   trait.

33.

DD, BB, bb, and ff are all examples of (a)   genotypes.

34.

Bb, Ff, Ss, and Rr are all examples of (a)   genotypes.

35.

A capital letter in a genotype represents a (a)   allele.

36.

A lower case letter in a genotype represents a (a)   allele.

37.

An ecological relationship in which both organisms benefit.

(a)  

38.

Photosynthetic plankton, avocado trees, and moss are all examples of...

(a)  

39.

Multiple food chains that overlap are called a (a)  

40.

Temperature, humidity, and light are all examples of (a)   factors.

41.

Plants, animals, and fungi are examples of (a)   factors.

42.

The most specific level of taxonomy is (a)  

43.

The most broad level of taxonomy is (a)  

44.

(a)   are organisms that must consume other organisms for energy.

45.

An organism that eats both consumers and producers is called...

(a)  

46.

An organism that eats only producers is called...

(a)  

47.

An organism that only eats other consumers is called...

(a)  

48.

The "control center" of the cell is called...

(a)  

49.

The "powerhouse" of the cell is called...

(a)  

50.

Carbon dioxide, light, and (a)   are the reactants of photosynthesis.

51.

All living things on earth belong to the (a)   sphere.

52.

All the water on earth belongs to the (a)   sphere.

53.

All of the rocks and minerals on earth are part of the (a)   sphere.

54.

All gases on earth belong to the (a)   sphere.

55.

Where does cellular respiration take place within a cell?

(a)  

56.

The purpose of cellular respiration is to produce (a)   for the cell.

57.

The law of (a)   says that older rocks are on the bottom while newer ones are closer to the top.

58.

Fossils are made out of (a)  

59.

Any living thing

(a)  

60.

A group of multiple populations is called a...

(a)  

61.

Any damage that causes a change in the DNA sequence of an organism is called...

(a)  

62.

A factor that slows or stops a population's growth is called a(n) (a)  

63.

A location that has everything an organism needs to live, grow, and reproduce is called a(n) (a)  

64.

The second broadest level of taxonomy. The broadest being domain.

(a)  

65.

All of the fossils we have ever found and everything we have learned from them is called...

(a)  

66.

A trait or behavior that allows for an organism's survival.

(a)  

67.

Genetic material that is passed from parent to offspring

(a)  

68.

This type of selection causes evolution.

(a)  

69.

This is the type of selection that takes place when humans selectively breed organisms for certain traits.

(a)  

70.

A physical characteristic

(a)  

71.

Asexual reproduction on the cellular level

(a)  

72.

How sperm and egg cells are made

(a)  

73.

Multicellular eukaryotic organisms that lives in or on a host, the organism benefits while the host suffers.

(a)  

74.

Unicellular prokaryote that causes infections, can be treated with antibiotics.

(a)  

75.

A type of infectious agent that is technically not a living thing. Treated with antiviral medication.

(a)  

76.

An infectious agent that causes athlete's foot. It is multicellular eukaryote that has a cell wall made of chitin. Treated with antifungal medication.

(a)  

77.

A disease that can be spread from one organism to another is called...

(a)  

78.

This body system is responsible for allowing you to move.

(a)  

79.

This body system is responsible for the creation of blood cells as well as supporting and protecting your internal organs.

(a)  

80.

This body system allows you to create offspring.

(a)  

81.

This body system contains the lungs, diaphragm, nose, and mouth.

(a)  

82.

This body system is in control of your entire body, it is also responsible for you being able to respond to stimuli.

(a)  

83.

This body system allows you to get energy from breaking down food.

(a)  

84.

This body system is in charge of removing waste from the body. It's main organs are the kidneys and bladder.

(a)  

85.

This body system is pretty gland! (Like pretty grand, but it's a pun). It is responsible for all of your hormone production and is made up of glands.

(a)  

86.

This body system fights off disease!

(a)  

87.

The smallest unit of life is a...

(a)  

88.

A grouping of many cells with the same function is called a...

(a)  

89.

Multiple tissues that work together is called a(n)...

(a)  

90.

Multiple organs that work together in the body form a(n) (a)  

91.

Many organ systems work together to create a(n) (multicellular)...

(a)  

92.

Literally means "tiny organ". Found within eukaryotic cells.

(a)  

93.

A device that allows a human to look at tiny organisms that cannot be seen with the naked eye.

(a)  

94.

Jelly-like substance within all cells, cushions the other organelles.

(a)  

95.

The "vacuum" or "storage tank" of the cell. Holds food, water, and waste.

(a)  

96.

This organelle is rigid and supports plant cells. It does not allow things into and out of the cell, it is just there for structural support.

(a)  

97.

All living things are made of one or more (a)  

98.

(a)   are the basic unit of life

99.

All cells come from previously existing (a)  

100.

An ecological relationship in which one consumer eats another.

(a)  

101.

An organism that gets hunted by another is called the (a)   . (Rabbit in picture).

102.

An organism that does the hunting is called a (a)   . (Fox in picture)

103.

An ecological relationship in which two organisms coexist. It can be beneficial, harmful, or neutral.

(a)  

104.

A symbiotic relationship where both organisms benefit.

(a)  

105.

A symbiotic relationship where one organism benefits while the other is not helped OR harmed.

(a)  

106.

A symbiotic relationship where one organism benefits while the other is harmed.

(a)  

107.

Gregor Mendel, a monk who experimented on pea plants, is know as the father of (a)   .

108.

The genotype Aa is called...

(a)  

109.

The genotype bb is called (a)  

110.

What sugar is produced during photosynthesis?

(a)  

111.

In an experiment there should always be two groups, one that is being tested (called the test group or the experimental group) and the (a)   group which is used to compare the results of the test group. This group does not receive the treatment/independent variable.

112.

Fossilized footprints and poop are examples of what type of fossil?

(a)  

113.

Fossilized bones and eggs are examples of what type of fossil?

(a)  

114.

Which domain of life contains ancient prokaryotes?

(a)  

115.

Which domain of life contains true prokaryotes?

(a)  

116.

Which domain of life contains eukaryotes?

(a)  

117.

Which kingdom belongs to domain Archaea?

(a)  

118.

Which kingdom belongs to domain Bacteria?

(a)  

119.

This kingdom belongs to domain Eukarya, it contains organisms that are both autotrophs and heterotrophs, is usually unicellular, and usually lives in water.

(a)  

120.

This kingdom belongs to domain Eukarya, it contains organisms that are heterotrophs, have a cell wall made of chitin, and are mostly decomposers.

(a)  

121.

This kingdom belongs to domain Eukarya, it contains organisms that are autotrophs, have a cell wall made of cellulose, and are producers.

(a)  

122.

This kingdom belongs to domain Eukarya, it contains organisms that are heterotrophs, don't have a cell wall, and are multicellular.

(a)  

123.

Binomial nomenclature literally means what?

(a)  

124.

What three body systems work together to create movement?

(DO NOT ADD COMMAS)

(a)  

125.

A factor that includes any living or once living thing in an ecosystem.

(a)  

126.

A factor that includes anything that is not and was never alive in an ecosystem.

(a)  

127.

What is the pigment that is located within chloroplasts called?

(a)  

128.

An organism within a predatory relationship that does the hunting and killing is the (a)  

129.

An organism within a predatory relationship that is being hunted and killed is the (a)  

130.

The organism that a parasite lives around, in, or on is called a (a)  

131.

Spanish moss lives on a tree branch. It normally doesn't block out sunlight for the tree it lives on and doesn't harm the tree. This type of relationship is called...

(a)  

132.

What variable does the scientist measure?

(a)