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Living Environment Regents Review

Total questions: 30

Worksheet time: 35mins

Name
Class
Date
1.

A vaccine contains...

a)

cow pox

b)

a small amount of the pathogen that is weakened or dead

c)

a large amount of the pathogen

d)

small pox

2.
Disease-causing microorganism, such as a bacterium or virus.
a)
pathogen 
b)
allergen
c)
prion 
d)
antigen 
3.
Caffeine is a compound found in the seeds of many different plants, such as coffee beans, cola nuts, and cacao beans (the source of chocolate). The presence of this chemical in all three types of plants suggests that these plants
a)
inherited identical mutations
b)
share a common ancestry
c)
were exposed to the same type of radiation in the past 
d)
were cloned from a caffeine plant
4.
The corn we eat today is larger and has more kernels than the corn people first grew thousands of years ago. Which process is most likely responsible for the changes that have occurred? 
a)
mitosis
b)
direct harvesting
c)
succession
d)
selective breeding
5.
Which substance is an inorganic molecule?
a)
water
b)
starch
c)
DNA
d)
fat
6.
The technique used to separate the DNA for analysis is 
a)
genetic engineering
b)
chromatography
c)
electrophoresis
d)
protein synthesis
7.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 
a)
experimental group
b)
control group
c)
data
d)
variables
8.
A __________ includes all living and non-living things in an environment. 
a)
population
b)
niche
c)
abitotic
d)
ecosystem
9.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
10.
Which organism make their own food through the process of photosynthesis? 
a)
decomposer
b)
consumer
c)
herbivore
d)
producer 
11.
the process by which a new community forms where no community lived before 
a)
resource
b)
invasive (non- native) species
c)
primary succession
d)
competition
12.
Continued depletion of the ozone layer will most likely result in
a)
an increase in skin cancer among humans 
b)
a decrease in atmospheric pollutants 
c)
an increase in marine ecosystem stability 
d)
a decrease in climatic changes
13.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
14.
An error in DNA copying that results in a new trait
a)
Homeostasis
b)
Mutation
c)
Natural Selection
d)
Selective Breeding
15.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
16.

If body temperature is too high, some blood vessels increase in size and sweat glands will excrete sweat, resulting in a lower body temperature. These changes are an example of

a)

a learned behavior

b)

feedback mechanisms

c)

an inherited disorder

d)

genetic mutations

17.

Which process must first take place in order for the proteins in foods to be used by body cells?

a)

digestion

b)

storage

c)

synthesis

d)

excretion

18.

Which statement is characteristic of reproduction in humans?

a)

The reproductive cells of males and females differ in chromosome number.

b)

Males and females produce gametes in the ovaries.

c)

Males and females produce the same number of gametes.

d)

The reproductive cycles of males and females are regulated by hormones.

19.

The diagram below represents the formation of a cancerous growth. Which statement best explains the events represented in this diagram?

a)

A gene mutation caused the cells to become muscle cells.

b)

The growth resulted from the introduction of a vaccine.

c)

A gene mutation caused abnormal mitotic cell division

d)

The growth resulted from uncontrolled meiotic cell division.

20.

A diagram of the female reproductive system is shown below. Identify the structure within which the egg cell is normally fertilized.

a)

A

b)

B

c)

C

d)

D

21.

Five different living organisms are represented below. Which statement about the organisms represented above is correct?

a)

All of the organisms are autotrophs.

b)

Only the flowering plant, green heron, and aquatic plant carry out photosynthesis.

c)

Only the frog and green heron can maintain homeostasis

d)

All of the organisms pass on traits through reproduction.

22.

Mistletoe is an evergreen shrub that can produce most of its own food. Often, mistletoe can be found living on trees and taking water and nutrients away from the tissues of the trees. The relationship between mistletoe and trees is an example of

a)

consumer/herbivore

b)

predator/prey

c)

scavenger/decomposer

d)

parasite/host

23.

The diagram below represents an important biological technique scientists rely on to produce replacement hormones. Which two processes are required for the technique to successfully produce hormones?

a)

replication of DNA in bacterial cells and cell division

b)

replication of DNA in bacterial cells and gamete formation

c)

meiosis and development

d)

mitosis and fertilization

24.

Research has shown that treadmill training increases the number of certain energy-releasing structures in the brain cells of rats.The cellular structures referred to in this study are most likely

a)

mitochondria

b)

nuclei

c)

vacuoles

d)

ribosomes

25.

In an effort to reduce the number of deaths due to malaria, scientists have successfully introduced a gene into mosquitoes. The gene makes the mosquitoes unable to support development of the parasite that causes malaria. The technique used to produce this new variety of mosquito is most likely

a)

chromotography

b)

genetic engineering

c)

electrophoresis of genes

d)

selective breeding

26.

Acid rain is a major problem in the Adirondack Mountains. Evidence that acid rain negatively affected the Adirondack ecosystem is that

a)

this rain has increased the amount of water in Adirondack lakes

b)

there has been a decrease in the variety of fish found in Adirondack lakes

c)

the amount of carbon dioxide in the air over the Adirondack Mountains has drastically decreased in recent years

d)

the number of heterotrophic organisms in Adirondack lakes has increased

27.
How can you make an experiment more valid?
a)
Increase the sample size
b)
Repeat the experiment
c)
Add more trials 
d)
All of the above 
28.

The following events occur during sexual reproduction:

A. mitosis

B. meiosis

C. fertilization

D. birth

Which sequence represents the correct order of these events during sexual reproduction?

a)

A → C → B → D

b)

B → C → A → D

c)

C → B → A → D

d)

B → A → C → D

29.
Students in a science class took their pulse rates before and after they ran in place for one minute. The class data showed that pulse rates increased with exercise. A graph of the data would look most like (SEE DIAGRAM)
a)
1
b)
2
c)
3
d)
4
30.

Which two systems work together to maintain homeostasis while transporting oxygen throughout the body and removing carbon dioxide?

a)

circulatory and respiratory

b)

respiratory and excretory

c)

circulatory and digestive

d)

respiratory and digestive