CCS Biology Final EXAM 1

Question 1

mathematical formula designed to predict population fluctuations in a community could be called

Accepted Answer

Ecological model

Question 2

One of the main characteristics of a population is its

Accepted Answer

Geographic distribution

Question 3

Which of the following is not recycled in the biosphere?

Accepted Answer

Energy

Question 4

Which of the following organisms does not require sunlight to live?

Accepted Answer

Chemosynthetic bacteria

Question 5

Which of the following descriptions about the organization of an ecosystem is correct?

Accepted Answer

Species make up populations, which make up communities

Question 6

What is the process by which bacteria convert nitrogen gas in the air to ammonia?

Accepted Answer

Nitrogen fixation

Question 7

Nitrogen fixation is carried out primarily by

Accepted Answer

Bacteria

Question 8

A biotic or an abiotic resource in the environment that causes population size to decrease is a

Accepted Answer

Limiting factor

Question 9

Which of the following has a direct role in the nitrogen cycle?

Accepted Answer

All of these

Question 10

Which of the following would not be a limiting factor related to population density?

Accepted Answer

the eruption of a volcano

Question 11

A snake that eats a frog that has eaten an insect that fed on a plant is a

Accepted Answer

Third-level consumer

Question 12

biology dealing with interactions among organisms between organisms and environment is called

Accepted Answer

Ecology

Question 13

All the interconnected feeding relationships in an ecosystem make up a food

Accepted Answer

Web

Question 14

The combined portions of Earth in which all living things exist is called the

Accepted Answer

Biosphere

Question 15

Each of the following is a density-dependent limiting factor except

Accepted Answer

Seasonal cycles

Question 16

Which of the following tells you population density?

Accepted Answer

the number of bacteria per square millimeter

Question 17

What is the term for each step in the transfer of energy and matter within a food web?

Accepted Answer

Trophic level

Question 18

Organisms need nutrients in order to

Accepted Answer

Carry out essential life functions

Question 19

A bird stalks, kills, and then eats an insect. Which ecological terms describe the bird?

Accepted Answer

Carnivore, consumer

Question 20

How is carbon stored in the biosphere?

Accepted Answer

All of the above

Question 21

All of the members of a particular species that live in one area are called a(an)

Accepted Answer

Population

Question 22

If a population grows larger than the carrying capacity of the environment, the

Accepted Answer

death rate may rise

Question 23

What must occur in a population for it to grow?

Accepted Answer

The birth rate becomes higher than the death rate

Question 24

Matter can recycle through the biosphere because

Accepted Answer

Biological systems do not use up matter, they transform it

Question 25

Most of the energy available to a consumer trophic level is used by organisms for

Accepted Answer

Respiration, movement, and reproduction

Question 26

What animals eat both producers and consumers?

Accepted Answer

Omnivores

Question 27

If a nutrient is in such short supply in an ecosystem that it affects an animal’s growth, the

Accepted Answer

Substance is a limiting nutrient

Question 28

Carbon cycles through the biosphere in all the following processes except

Accepted Answer

Transpiration

Question 29

Which of the following is a density-independent limiting factor?

Accepted Answer

Earthquake

Question 30

An organism that uses energy to produce its own food supply from inorganic compounds is called

Accepted Answer

Autotroph

Question 31

Compared to land, the open oceans

Accepted Answer

Are nutrient-poor environments

Question 32

Which of the following is NOT a basic method used by ecologists to study the living World?

Accepted Answer

Classifying

Question 33

The simplest grouping of more than one kind of organism in the biosphere is

Accepted Answer

A community

CCS Biology Final EXAM 1

Questions 33

CCS Biology Final EXAM 1

Questions 33