wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Ch2a - Human Origins & Environment

Total questions: 43

Worksheet time: 22mins

Name
Class
Date
1.

All organisms are classified based on structural similarities and common ancestry. This is called:

a)

Phylogeny

b)

Taxonomy

c)

Homeopathy

d)

Ancestry

2.

Which of the following is one of the five basic processes on which human physiology is built?

a)

sensing the environment

b)

adapting to the environment

c)

altering the environment

d)

transferring and storing energy

3.

Which is correct for heterotrophic consumers:

a)

must eat other organisms to obtain nutrients and energy

b)

are found in the ocean

c)

are called carnivores and omnivores

d)

make food for themselves via photo- or chemosynthesis

4.

Which is correct for autotrophic consumers:

a)

must eat other organisms to obtain nutrients and energy

b)

are found in the ocean

c)

are called carnivores and omnivores

d)

make food for themselves via photo- or chemosynthesis

5.

What taxonomical order do humans belong to:

a)

hominid

b)

Homo

c)

sapiens

d)

primate

6.

In this energy flow diagram, what is represented by A:

a)

Oxygen

b)

Nitrogen

c)

Glucose

d)

Carbon dioxide

7.

In this energy flow diagram, what is represented by B:

a)

Oxygen

b)

Water

c)

Glucose

d)

Carbon dioxide

8.

C6H12O6 + 6 O2 => 6 CO2 + 6 H2O + ATP + heat

a)

Cell Respiration (Human)

b)

Photosynthesis (Plant)

9.

6 CO2 + 6 H2O + ATP + heat => C6H12O6 + 6 O2

a)

Cell Respiration (Human)

b)

Photosynthesis (Plant)

10.

In the human body, energy from food is ultimately stored in what form?

a)

heat

b)

sugar

c)

oxygen

d)

ATP

11.

Similar to human bone, ecosystems cycle this chemical element:

a)

water

b)

oxygen

c)

calcium

d)

nitrogen

12.

Genes coding for small variations at the same spot on the same chromosome

a)

DNA

b)

alleles

c)

dominants

d)

nucleic acids

13.

A precise taxonomic classification consisting of organisms that can breed and produce fertile offspring.

a)

genus

b)

species

c)

dimorphism

d)

population

14.

A process that allows traits better adapted to the environment to be passed more frequently to the next generation.

a)

natural selection

b)

adaptation

c)

excitation

d)

conduction

15.

A process by which a species becomes better able to survive and reproduce or maintain homeostasis.

a)

natural selection

b)

adaptation

c)

excitation

d)

conduction

16.

Sequence of organic base pairs forming a chromosome:

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acids

17.

Morphological differences between 2 genders of the same species.

a)

mammal

b)

species variation

c)

sexual dimorphism

d)

natural selection

18.

Class of vertebrates with placental development and hair or fur:

a)

hominids

b)

primates

c)

mammals

d)

eukaryotes

19.

A single or multicellular organism that has all the characteristic properties of life:

a)

population

b)

organelle

c)

organism

d)

biosphere

20.

All representatives of a specific organism found in a defined area.

a)

organism

b)

population

c)

mammal

d)

organelle

21.

The expected geographic range of an organism, based on its habitat requirements.

a)

population

b)

niche

c)

ecosystem

d)

biogeographical range

22.

A(n) _______________ is an interaction between plants, animals, microbes, and their environments

a)

habitat

b)

niche

c)

ecosystem

d)

biogeographic distribution

23.

A habitat is:

a)

an area where an organism lives

b)

the geographic range of an organism

c)

the "job" of an organism where they live

d)

an ecosytem

24.

A niche is:

a)

an area where an organism lives

b)

the geographic range of an organism

c)

the "job" of an organism where they live

d)

an ecosytem

25.

Humans belong in the domain_____________.

a)

archaea

b)

prokaryota

c)

eukarya

d)

animalia

26.

Genus and species names are used to create:

a)

domains

b)

classes

c)

binomial nomenclature

d)

ecosystems

27.

Which of these orders are characterized by opposable thumbs and stereoscopic vision?

a)

primates

b)

mammals

c)

eukaryotes

d)

hominids

28.

Which of these families are characterized by bipedalism?

a)

primates

b)

mammals

c)

eukaryotes

d)

hominids

29.

Humans have more than 3 direct ancestors.

a)

True

b)

False

30.

"Descent with modification"

a)

Evolution

b)

Bonding

c)

Adaptation

d)

Environmental stimuli

31.

The study of relationships among and between living and nonliving portions of the environment:

a)

Ecosystem

b)

Biology

c)

Physiology

d)

Ecology

32.

Autotrophs that produce food molecules through photosynthesis or chemosynthesis:

a)

consumers

b)

producers

c)

detritivores

d)

secondary consumers

33.

Heterotrophs and cannot create food molecules and have to obtain them from other organisms.

a)

Consumers

b)

Producers

c)

Detritivores

d)

Secondary Producers

34.

Consumers that only eat producers:

a)

carnivores

b)

herbivores

c)

omnivores

d)

detritivores

35.

Consumers that only eat consumers:

a)

carnivores

b)

herbivores

c)

omnivores

d)

detritivores

36.

Consumers that eat producers and consumers:

a)

carnivores

b)

herbivores

c)

omnivores

d)

detritivores

37.

Obtain their nutrients from detritus (fragments of organic and inorganic matter) and return most material to the soil

a)

carnivores

b)

herbivores

c)

omnivores

d)

decomposers

38.

The biggest difference between energy and chemicals is that:

a)

energy flows and chemical cycle

b)

energy cycles and chemicals flow

c)

there is no difference

39.

Number of individuals that an area can support (food/water/land…)

a)

ecosystem

b)

biogeographic distribution

c)

carrying capacity

d)

population

40.

In Homo sapiens, sapiens is the organism's:

a)

genus

b)

species

c)

order

d)

class

41.

Where do humans belong on this energy cycling diagram?

a)

A

b)

B

c)

C

d)

D

42.

Where do earthworms belong on this energy cycling diagram?

a)

A

b)

B

c)

C

d)

D

43.

Where do producers belong on this energy cycling diagram?

a)

A

b)

B

c)

C

d)

D