Biology Final (9th)

Question 1

1) A stable pond ecosystem would not contain…

A. More consumers than
producers

B. Materials being cycled

C. Decomposers

D. Oxygen

Answer 1

A. More consumers than
producers

Question 2

2) Certain insects resemble the bark of the trees on which they live. Which statement provides a possible biological explanation for this resemblance?

A. The lack of mutations resulted in the protective coloration.

B. The trees caused mutations in the insects that resulted in protective coloration

C. Natural selection played a role in the development of this protective coloration.

D. The insects needed camouflage so they developed protective coloration.

Answer 2

C. Natural selection played a role in the development of this protective coloration.

Question 3

3) When is the extinction of a species most likely to occur?

Answer 3

When environmental conditions change and the members of the species lack adaptive traits to survive and reproduce

Question 4

4) Which process will increase variations that could be inherited?

A. Active transport

B. Mitotic cell division

C. Synthesis of proteins

D. Crossing over during meiosis

Answer 4

D. Crossing over during meiosis

Question 5

5) In an ecosystem, the growth and survival of organisms are dependent on the availability of the energy from the Sun. This energy is available to organisms in the ecosystem because…

Answer 5

Producers have the ability to store energy from light in organic molecules

Question 6

6) Which factor has the greatest influence on the type of ecosystem that will form in a particular geographic area?

A. Number of carnivores

B. Climate conditions

C. Genetic variations in the animals

D. Percentage of nitrogen gas in the atmosphere

Answer 6

B. Climate conditions

Question 7

7) Grass → Cricket → Frog → Owl
This food chain contains…

Answer 7

2 predators, 1 herbivore, and 1 producer

Question 8

8) A volcanic eruption destroyed a forest, covering the soil with volcanic ash. For many years, only small plants could grow. Slowly, soil formed in which shrubs and trees could grow. These changes are an example of…

Answer 8

Ecological Succession

Question 9

11) Natural selection is the process by which…

Answer 9

Organisms with traits well suited to their environment survive and reproduce

Question 10

12) Natural selection could or could not occur without…

Answer 10

Environmental changes

Question 11

13) Populations of the same species living in different places…

A. Always show balancing selection

B. Become increasingly different as each becomes adapted to its own environment

C. Do not vary

D. Have a half-life in relation to the size of the population

Answer 11

B. Become increasingly different as each becomes adapted to its own environment

Question 12

14) Protista is an example of a…

Answer 12

Kingdom

Question 13

15) Characteristics that enable plants to protect themselves from the herbivores include…

A. Chemical defenses.

B. Thorns and Prickles

C. Sticky hairs and tough leaves

Answer 13

D. All of the above

Question 14

16) Major ecosystems that occur over wide areas of land are called…

Answer 14

Biomes

Question 15

17) Which kingdom contains both unicellular and multicellular organisms?

A. Fungi

B. Protista

C. Both A and B

D. None of the above

Answer 15

C. Both A and B

Question 16

18) Distinct groups of cells with a a similar structure and function are called…

Answer 16

Tissues

Question 17

19) The process in which plants capture energy and make organic molecules is known as…

Answer 17

Photosynthesis

Question 18

20) The most diverse eukaryotic kingdom is…

Answer 18

Animalia

Question 19

21) A fungus is classified as a heterotroph rather than an autotroph because it…

Answer 19

Absorbs food from the environment

Question 20

22) In which group do all the organisms belong to the same kingdom?

A. Bacteria, algae, ferns

B. Yeast, mushroom, maple tree

C. Paramecium, amoeba, euglena

D. Bacteria, amoeba, tick

Answer 20

C. Paramecium, amoeba, euglena

Question 21

23) In attempting to classify a newly discovered organism, the following characteristics were documented: unicellular, heterotrophic, contains a nucleus. To which kingdom does this organism belong?

Answer 21

Fungi

Question 22

24) Which phrase best defines evolution?

A. A series of adaptive changes over time

B. A sudden replacement of one community by another

C. An adaptation of an organism to its
environment

D. A geographic isolation of an organism

Answer 22

A. A series of adaptive changes over time

Question 23

25) Complete the correct order: Domain, Kingdom, phylum…

A. Class, order, family, genus, species

B. Order, family, class, genus, species

C. Family, class, order, genus, species

D. Order, family, class, species, genus

Answer 23

A. Class, order, family, genus, species

Question 24

26) Which of the following is a characteristic of organisms belonging to the Kingdom Animalia?

A. They contain peptidoglycan cell walls

B. They are autotrophic

C. They are heterotrophic

D. They are unicellular

Answer 24

C. They are heterotrophic

Question 25

27) The absence of a distinct nucleus and other membrane bound organelles describes…

Answer 25

A prokaryote

Question 26

28. The carrying capacity for herbivores in a habitat is most directly affected by the availability of…

Answer 26

Photosynthetic organisms

Question 26

29) Abiotic factors that affect the growth of grass in a lawn include

A. Bacterial and soil

B. Earthworms and nutrients

C. Moisture and minerals

D. Fertilizer and decomposes

Answer 26

C. Moisture and minerals

Question 26

30) The Audubon Society recently released a study that showed that the populations of some bird species have decreased in number by as much as 50% since 1966. The study eliminated food and water shortages and natural cycles as causes for the decrease. Which factor might have contributed to this decline?

A. An energy rich diet

B. Fewer predators

C. Destruction of natural habitats

D. Overproduction of bird offspring

Answer 26

C. Destruction of natural habitats

Question 27

31) If a pattern of inheritance for a trait is completely dominant, then an organism that is
heterozygous for the trait would normally express…

Answer 27

The dominant trait only

Question 28

32) A white mouse whose parents were both white produces only brown offspring. The genotype for white fur must be…

Answer 28

Recessive

Question 29

33) A dog’s phenotype is identified b…

Answer 29

It’s physical appearance