wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biodiversity Ch 1-2 Review

Total questions: 58

Worksheet time: 3hrs 57mins

Name
Class
Date
1.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
2.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
3.

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

a)

Predation

b)

Parasitism

c)

Commensalism

d)

Mutualism

4.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
5.
The scientific name for a wolf is Canis lupus. What does the first word in the name represent?
a)
Species
b)
Kingdom
c)
Genus
d)
Domain
6.
Variation happens as a result of the exchange of genetic information as it is passed fromparent to offspring.Which of the following is true about inherited variation?
a)
Variation can influence the resources that are available to an organism.
b)
Variation can influence whether organisms are more likely to survive to reproduce.
c)
Variation can influence the amount of rainfall in an ecosystem
d)
Variation can influence the amount of available food in an ecosystem
7.
The habitat of a moth species included trees with both light and dark colored bark.Therefore the moth species included both light and dark colored variants.Then the light-colored trees were wiped out by a disease, and within a few years nearly all the moths in this forest were dark colored. Which of the following choices BEST explains what happened?
a)
The light moths that survived all had dark offspring in order to adapt to the change.
b)
The dark moths were less visible to predators, so mostly light moths were eaten.
c)
The few light moths that survived did not mate, and therefore they had no offspring.
d)
The light moths changed their wing pigments to darker colors to avoid being eaten.
8.
Which statement best explains how natural selection occurs?
a)
when adaptations help an organism reproduce and survive.
b)
when organisms are geographically isolated.
c)
when an organism’s offspring grow vestigial structures.
d)
when characteristics from the parent organism are inherited.
9.

What does the root "bio" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

10.

What does the root "diversity" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

11.
High biodiversity is 
a)
having a lot of the same organism.
b)
having a few of the same organism.
c)
having a lot of variety of different organisms.
d)
only having one of each organism. 
12.

Which ecosystem is more likely to survive a change in the environment?

a)

One with High biodiversity

b)

One with Low biodiversity

13.
Which habitat exhibits the greatest biodiversity?
a)
A habitat with 15 different species with about 300 individuals each
b)
A habitat with 10 different species with about 75 individuals each
c)
A habitat with 4 different species with about 150 individuals each
d)
A habitat with only one species with about 2000 individual
14.

Define genetic diversity

a)

a variety of genes and traits within a species

b)

a variety of ecosystems in a given area

c)

system made up of all the living and nonliving things in a given area

d)

a variety of species in an ecosystem

15.
The passing of DNA from parents to offspring
a)
Generation
b)
Heredity
c)
Inheritance
d)
Traits
16.
Chromosomes are found in the ____________ of the cell
a)
Chloroplast
b)
Nucleus
c)
Cytoplasm
d)
Mitochondria
17.
What is a gene?
a)
An entire chromosome that  codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
18.
Segments of DNA are called _______________________
a)
Genes
b)
Nuclei
c)
genotypes
d)
Chromosomes
19.

A group of organisms that have common characteristics and can reproduce to breed offsprings is called.......

a)

ecosystem

b)

community

c)

species

d)

population

20.

A group of organisms of the same species that live in the same habitat is called .....

a)

species

b)

population

c)

community

d)

ecosystem

21.

A community is a few species of different organisms that live together in one habitat and have mutual interaction with one another.

a)

True

b)

False

22.

An ecosystem is a few communities that live together in one habitat and have mutual interaction with one another including all the non living components such as water, air and soil.

a)

True

b)

False

23.

Look at the picture carefully. Decide if the picture shows a population or a community.


All of the animals in the rain forest.

a)

Population

b)

Community

24.

Look at each picture carefully. Decide if the picture shows a population or a community.


The deer in the forest.

a)

Population

b)

Community

25.

Which of the following is not a benefit of asexual reproduction?

a)

Offspring will be successful in an unchanged environment.

b)

Good at adapting to changing environments.

c)

Only requires one parent to produce offspring.

d)

Can reproduce rapidly.

26.

An organism that has been reproduced by asexual means receives ______________ of its chromosomes from its one parent.

a)

3

b)

25%

c)

50%

d)

100%

27.

In asexual reproduction, all of the offspring are:

a)

Physically Identical

b)

Genetically Identical

c)

Physically and Genetically Identical

d)

Not Identical

28.

What is the big advantage of sexual reproduction?

a)

Can quickly grow the population

b)

Offspring are guaranteed to be successful in an unchanged environment.

c)

Only one parent is required to reproduce.

d)

Can adapt to changing environments

29.

An organism that has been reproduced by sexual reproduction received ____________ of its chromosomes from the male parent.

a)

4

b)

25%

c)

50%

d)

100%

30.

These are long strands of DNA in the nucleus that controls the traits of an organism.

a)

Gene

b)

Allele

c)

Chromosomes

31.

If a cow has 60 chromosomes in a somatic cell how many chromosomes would be in a cow's sex cell?

a)

60

b)

120

c)

30

d)

90

32.

What is the type of reproduction that only requires one parent?

a)

Asexual

b)

Sexual

33.

Which type of reproduction results in diversity because the offspring are a combination of the parents and genetically different?

a)

Asexual

b)

Sexual

34.

Which of the following describes the main advantages of sexual reproduction?

a)

requires lots of time/energy

b)

no new gene combos can arise

c)

genetic diversity

d)

looks identical to the parent

35.

When an offspring grows off from the body of a parent organism it is called __________________.

a)

budding

b)

fission

c)

fragmentation

d)

sporulation

36.

What are some disadvantages to sexual reproduction? (select all that apply)

a)

it takes a lot of energy to find a mate

b)

you don't need another mate

c)

it requires a male and a female

d)

it takes a lot more time than asexual reproduction

37.

What are some advantages of asexual reproduction? (select all that apply)

a)

it only requires one organism

b)

it takes less energy than sexual reproduction

c)

offspring are already well-adapted for the environment

d)

there is a lot of genetic variety

38.

Which process is considered to be faster?

a)

Asexual Reproduction

b)

Sexual Reproduction

39.

What organism reproduces using fission?

a)

coral

b)

strawberries

c)

bacteria

d)

sea star

40.

When offspring grow from part of a parent plant:

a)

fission

b)

budding

c)

cloning

d)

vegetative regeneration

41.

What organism reproduces using budding?

a)

coral

b)

strawberries

c)

bacteria

d)

sea star

42.

What is an disadvantage of asexual reproduction?

a)

An organism can reproduce without a mate

b)

Some organisms can quickly produce a large number of offspring

c)

There is little genetic variation within a population

43.

A type of reproduction in which the genetic materials from two different cells combine, producing offspring:

a)

asexual reproduction

b)

sexual reproduction

44.

When an offspring grows off from the body of a parent organism it is called __________________.

a)

budding

b)

fission

c)

fragmentation

d)

sporulation

45.

When a single-celled organism splits into 2 new organisms it is called _________________.

a)

fragmentation

b)

fission

c)

budding

d)

sporulation

46.

An organism's reproductive cells, or sex cells, are called _____.

a)

bacteria

b)

prokaryotes

c)

gametes

d)

pathogens

47.

A _______ is a segment of DNA that codes for a specific protein or RNA molecule.

a)

gene

b)

gamete

c)

chromosome

d)

chromatid

48.

A _________ is DNA tightly coiled around proteins.

a)

gene

b)

chromosome

c)

trait

d)

mutation

49.

How many chromosomes does a human body cell have, total?

a)

48

b)

46

c)

23

d)

47

50.

A _______ is an egg that has been fertilized by a sperm cell.

a)

gene

b)

chromosome

c)

zygote

d)

embryo

51.

Down Syndrome is also known as _________.

a)

Trisomy 18

b)

Trisomy 21

c)

Monosomy X

d)

Trisomy 13

52.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
53.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
54.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
55.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
56.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
57.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

58.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid

Similar Resources on Wayground

Scientific Measurement Unit Study Guide

55 questions

Scientific Measurement Unit Study Guide

quiz

Worksheet

•

9th Grade

Form 1 INT SCI T2 EOT Exam

56 questions

Form 1 INT SCI T2 EOT Exam

quiz

Worksheet

•

7th Grade

TEMA 8. 4 ESO

60 questions

TEMA 8. 4 ESO

quiz

Worksheet

•

10th Grade

QUARTER 4 PRACTICE TEST

55 questions

QUARTER 4 PRACTICE TEST

quiz

Worksheet

•

10th Grade

Year 10 - Shocking Stuff & Space Revision

55 questions

Year 10 - Shocking Stuff & Space Revision

quiz

Worksheet

•

10th Grade

EM SPECTRUM/WAVES

54 questions

EM SPECTRUM/WAVES

quiz

Worksheet

•

10th Grade

SC Ready Phases of the Moon Review

58 questions

SC Ready Phases of the Moon Review

quiz

Worksheet

•

4th Grade - University

Cell Transport and Mitosis

54 questions

Cell Transport and Mitosis

quiz

Worksheet

•

6th - 9th Grade