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SC103-2 Week 1 Review Summer 2025

Total questions: 36

Worksheet time: 13mins

Name
Class
Date
1.

The positively charged particle in an Atom.

a)
photon
b)
electron
c)
neutron
d)
proton
2.

The negatively charged particle in an Atom.

a)
proton
b)
neutron
c)
photon
d)
electron
3.

The center of an Atom.

a)
Nucleus
b)
Electron cloud
c)
Proton
d)
Neutron
4.

The particle in an Atom that has no charge.

a)
proton
b)
neutron
c)
electron
d)
photon
5.

Formed by the combination of two or more atoms.

a)
cell
b)
molecule
c)
organism
d)
element
6.

Positively charged ions.

a)
Cations
b)
Protons
c)
Neutrons
d)
Anions
7.

The smallest particles similar to an element.

a)
atoms
b)
organelles
c)
molecules
d)
cells
8.

Atoms that have lost or gained electrons acquiring charges.

a)
Molecules
b)
Neutrons
c)
Protons
d)
Ions
9.

A chemical change which results in a new substance.

a)
Physical reaction
b)
Biological reaction
c)
Emotional reaction
d)
Chemical reaction
10.

Negatively charged ions.

a)
Neutrons
b)
Cations
c)
Protons
d)
Anions
11.

Formed by the combination of two or more different elements.

a)
mixture
b)
element
c)
solution
d)
compound
12.

Green plants are also know as the

a)
flora
b)
fauna
c)

primary producers

d)
vegetation
13.

An evolutionary adaptation such as the cheetah and the gazelle

a)
Mutation
b)

Coevolution

c)
Natural selection
d)
Intelligent design
14.

Similar organisms that can reproduce live offspring.

a)
breed
b)
species
c)
genus
d)
variety
15.

When plants use CO2 Similar organisms that can reproduce live offspring, water & light energy to make chemical energy.

a)
Respiration
b)
Fermentation
c)
Photosynthesis
d)
Transpiration
16.

When two different poisonous species evolved to have the same coloration.

a)

Mullerian mimicry

b)

Symbiosis

c)

Batesian mimicry

d)

Mutualism

17.

The genetic traits that allow an animal to survive in a given environment.

a)

natural selection

b)
mutation
c)
extinction
d)
inherited disease
18.

The process of releasing chemical energy.

a)
Fermentation
b)
Cellular respiration
c)
Photosynthesis
d)
Digestion
19.

All the Earth’s ecosystems.

a)

Terrestrial

b)

Biosphere

c)

Oceana

d)

Troposphere

20.

Competition within the same species.

a)
intraspecific competition
b)
interspecific competition
c)
predation
d)
symbiosis
21.

Organisms that do the final break down of organic materials.

a)
Producers
b)
Consumers
c)
Predators
d)
Decomposers
22.

The physical traits that allow an animal to survive in a given environment.

a)
Modifications
b)
Unsuitable traits
c)
Inflexibility
d)
Adaptations
23.

Competition among different species.

a)
collaboration
b)
competition
c)
cooperation
d)

interspecific competition

24.

Refers to organisms of the same species living in a given area.

a)
population
b)
habitat
c)
ecosystem
d)
community
25.

The biological community plus the physical environment.

a)
biome
b)
atmosphere
c)
ecosystem
d)
organism
26.

When a harmless organism evolved to have the same colors of a poisonous organism.

a)
Mendelian mimicry
b)
Darwinian mimicry
c)
Batesian mimicry
d)
Lamarckian mimicry
27.

A form of symbiosis where one organism harms the other.

a)
mutualism
b)
commensalism
c)
predation
d)
parasitism
28.

Interconnected individual food chains.

a)
water cycle
b)
food pyramid
c)
food web
d)
energy flow
29.

A form of symbiosis where both organisms benefit.

a)
parasitism
b)
mutualism
c)
predation
d)
commensalism
30.

Refers to different populations living together

a)
homogeneity
b)

community

c)
assimilation
d)

adaptation

31.

The feeding status of an organism in a given area.

a)

Food web

b)

Trophic level

c)

Food chain

d)

Predation

32.

Careful detailed use of our senses

a)

Observation

b)

How to compare numbers

c)

There are limits to knowledge

d)

Orderly approach to understanding

33.

The scientific method

a)

An orderly approach to understanding

b)

Ask a question

c)

Stepping back to reflect

d)

How to compare numbers

34.

Quantitative reasoning

a)

How to compare numbers

b)

An orderly approach to understanding

c)

Observation

d)

There are limits to knowledge

35.

Uncertainty

a)

There are limits to knowledge

b)

Observation

c)

How to compare numbers

d)

Stepping back to reflect

36.

Critical & analytical thinking

a)

Stepping back to reflect

b)

An orderly approach to understanding

c)

How to compare numbers

d)

Observation