Biology 1st Semester Final Review

Question 1

What is the term we use to describe a species who is close to extinction?

Accepted Answer

Endangered

Question 2

The first stage of cellular respiration, glycolysis, is an anaerobic process.

Accepted Answer

True

Question 3

Populations in an ecosystem will most likely remain stable if which is true?

Accepted Answer

They have a high level of biodiversity.

Question 4

The human body constantly generates and releases heat, this is necessary to maintain _______.

Accepted Answer

Homeostasis

Question 5

Which statement would you not use to describe succession?

Accepted Answer

It is random

Question 6

What kind of question would an environmental biologist ask?

Accepted Answer

How can more crops be grown in poor soils?

Question 7

When the population growth of a species levels off due to the availability of resources.

Accepted Answer

Carrying Capacity

Question 8

Which is a biotic factor that might affect the life of a water-dwelling organism?

Accepted Answer

Bacterial population in water

Question 9

A food web is represented in the diagram. What does Letter X most likely represent?

Accepted Answer

Autotrophs

Question 10

Fenced,grass-covered bridge built over a highway allowing animals to move around safely

Accepted Answer

Habitat corridor

Question 11

In the food chain, why is the snake classified as a carnivore?

Accepted Answer

The snake eats the mouse

Question 12

The variety of colors within a species and the ability to recover from diseases are examples of

Accepted Answer

Genetic diversity

Question 13

Which cannot take place during a chemical reaction?

Accepted Answer

Formation of new atoms

Question 14

You are studying a chain of islands in the Pacific Ocean.The largest island will probably offer

Accepted Answer

The most biodiversity

Question 15

Cellular respiration is an example of which type of metabolic pathway?

Accepted Answer

catabolic

Question 16

The green pigment that absorbs sunlight in plants.

Accepted Answer

chlorophyll

Question 17

What are the reactants of photosynthesis?

Accepted Answer

carbon dioxide & glucose, carbon dioxide, water, & light energy

Question 18

Douglas fir trees can prevent most light from reaching the forest floor. This would effect

Accepted Answer

Producers

Question 19

According to the energy pyramid shown, which organisms are the primary consumers?

Accepted Answer

Mosquito larvae

Question 20

What type of growth is represented by the J-shaped curve shown below?

Accepted Answer

Exponential

Question 21

Which of the following is a reactant used in glycolysis?

Accepted Answer

glucose

Question 22

Which has been the cause of extinctions of populations on islands?

Accepted Answer

Introduced species have no natural predators

Question 23

After a forest fire, a new community is established through which process?

Accepted Answer

Secondary Succession

Question 24

Which is not a renewable resource?

Accepted Answer

Fossil fuels

Question 25

In which types of organisms does cellular respiration take place?

Accepted Answer

plants, animals, fungi, some bacteria

Question 26

Living and nonliving factors that interact in a certain area is called a(an)

Accepted Answer

Ecosystem

Question 27

What impact does the water cycle have upon the total amount of water on Earth?

Accepted Answer

It remains constant

Question 28

A scientist uses graphs, tables, and charts to publish research results. This is an example of

Accepted Answer

Quantitative research

Question 29

Which pair of organisms would most likely compete for food?

Accepted Answer

Snake and hawk

Question 30

Predict what will most likely happen to the forested area in the next three decades.

Accepted Answer

Continue as is unless affected by environmental changes

Question 31

The total magnification if the eyepiece magnifies 10X and the objective lens magnifies 40X is:

Accepted Answer

400X

Question 32

Japanese beetles eat destructive aphids but have no predators in the USA. This demonstrates the

Accepted Answer

Use of biotic factors to reduce pests

Question 33

Which of the following metabolic pathways is anabolic?

Accepted Answer

photosynthesis

Question 34

A scientist's hypothesis is supported by many experiments and other scientists, it can now be a

Accepted Answer

Theory

Question 35

Which is the correct, balanced equation for cellular respiration?

Accepted Answer

C6H12O6 + 6 O2 ---------> 6 H2O + 6 CO2 + ATP

Question 36

As temperature increases, enzyme activity decreases. Which graph correctly displays this?

Accepted Answer

Graph D

Question 37

What event most likely to initiate primary succession?

Accepted Answer

Volcanic eruption

Question 38

Cattle were given bovine growth hormone (BGH) to see if they would produce more meat.

Accepted Answer

Animals given BGH increase in mass faster than those without

Question 39

According to the energy pyramid, what amount of energy was transferred to the frogs from algae?

Accepted Answer

1%

Question 40

What are the reactants of cellular respiration?

Accepted Answer

oxygen & glucose

Question 41

In which type of ecological relationship do two organisms benefit from living together?

Accepted Answer

Mutualism

Question 42

The main energy molecule that is created by both plants and animals to power their cell's daily activities.

Accepted Answer

ATP

Question 43

Which describes a biological community most accurately?

Accepted Answer

Different populations interacting within the same biome

Question 44

A wooded area has been divided by a housing development. This is an example of...

Accepted Answer

Habitat fragmentation

Question 45

In the following equation, what are the products of the reaction?

Accepted Answer

6CO​2 , 6H​​2O​, and ATP

Question 46

This graph is demonstrating which growth pattern?

Accepted Answer

Logistic

Question 47

During the carbon cycle, in what form are carbon atoms generally returned to the atmosphere?

Accepted Answer

Carbon dioxide

Question 48

Compared to a natural forest, a farmer’s wheat field lacks _____.

Accepted Answer

Significant biodiversity

Question 49

Which would be a pioneer species in a rocky area?

Accepted Answer

Lichen

Question 50

A group of organisms that can interbreed and produce fertile offspring is a(n) _____.

Accepted Answer

Species

Question 51

What compound has CHO in a 1:2:1 ratio?

Accepted Answer

Carbohydrate

Question 52

Which is the correct, balanced equation for photosynthesis?

Accepted Answer

6 H2O + 6 CO2 + Light ------> C6H12O6 + 6 O2

Question 53

Autotrophs are organisms that need to ingest food to obtain energy.

Accepted Answer

False

Question 54

Which of the following would be an example of r-strategists?

Accepted Answer

Mosquitoes

Question 55

What does the line graph show?

Accepted Answer

The population increased rapidly and then leveled off.

Question 56

What is the primary goal of protecting forested areas?

Accepted Answer

Maintain biodiversity of the area

Question 57

What is released at each level of a pyramid of energy?

Accepted Answer

Heat Energy

Question 58

What are the products of photosynthesis?

Accepted Answer

oxygen & glucose

Question 59

What would biochemists call the result of chaining many amino acids together?

Accepted Answer

A protein

Question 60

Series of chemical reactions where the product of one reaction is the reactant for the next is a metabolic pathway.

Accepted Answer

True

Question 61

What are the products of cellular respiration?

Accepted Answer

carbon dioxide, water, & ATP

Question 62

Which is true of the zone of physiological stress?

Accepted Answer

There are fewer organisms in this zone

Question 63

Cattail plants in freshwater swamps are replacing loosestrife plants. What does this show?

Accepted Answer

Competition between species

Question 64

Ecology is the study of interactions between _____.

Accepted Answer

Living and nonliving things in an area

Biology 1st Semester Final Review

Questions 72

Biology 1st Semester Final Review

Questions 72