WorksheetsQuarter 1 Review
Total questions: 33
Worksheet time: 17mins
What is a biotic factor?
A non-living component that affects the environment
A living component that affects the population of another organism, or the environment
A chemical factor that influences weather patterns
A physical factor that affects climate
What is an abiotic factor?
A living organism in an ecosystem
A non-living chemical or physical factor in the environment
A group of individuals of the same species
A type of ecosystem
What does the term "population" refer to in ecology?
A non-living factor in the environment
A group of individuals of the same species living in a specific area
A community of different species
The total number of ecosystems
What is the chemical symbol for Carbon?
C
N
O
H
Which chemical element is essential to all known living systems?
Oxygen
Carbon
Nitrogen
Hydrogen
What percentage of the Earth's atmosphere is made up of Nitrogen?
21%
50%
78%
90%
What is the chemical symbol for Nitrogen?
N
C
O
H
What is precipitation?
The process by which water vapor in the air is changed into liquid water.
Any form of water - liquid or solid - falling from the sky, including rain, sleet, snow, and hail.
The movement of water from plants to the atmosphere.
The absorption of water by the soil.
What is condensation?
The process by which water vapor in the air is changed into liquid water.
The movement of water from plants to the atmosphere.
Any form of water - liquid or solid - falling from the sky, including rain, sleet, snow, and hail.
The absorption of water by the soil.
What is the process called where plants absorb water through the roots and then give off water vapor through pores in their leaves?
Photosynthesis
Transpiration
Respiration
Evaporation
Which chemical element has the symbol P and is essential for life as a key component of DNA and RNA?
Potassium
Phosphorous
Platinum
Palladium
What is the geosphere?
The layer of gases surrounding the Earth
The solid part of the Earth, including the crust and upper mantle
The water bodies on Earth
The living organisms on Earth
What is the atmosphere?
The solid part of the Earth
The water bodies on Earth
The layer of gases surrounding the planet Earth, held in place by gravity
The living organisms on Earth
What does the term "Hydrosphere" refer to?
The global sum of all ecosystems
All the waters on the Earth's surface, such as lakes and seas
The Earth's atmosphere
The Earth's crust
What is included in the "Biosphere"?
Only the Earth's atmosphere
Only the Earth's water bodies
The global sum of all ecosystems, including all life forms and their relationships
Only the Earth's landforms
What is the process called where rocks and minerals are broken down on Earth's surface?
Erosion
Weathering
Deposition
Sedimentation
Which process involves the removal and transportation of soil and rock by wind or water?
Weathering
Erosion
Sedimentation
Compaction
What is an ecosystem?
A single species living in an area
A community of living organisms interacting with nonliving components
A group of nonliving components only
A single organism's habitat
What does carrying capacity refer to?
The minimum population size of a species
The average population size of a species
The maximum population size that can be sustained by an environment
The total number of species in an ecosystem
What is primary succession?
The series of community changes on a new habitat with no soil.
The series of community changes on a previously colonized habitat with soil.
The process of soil erosion in a new habitat.
The growth of plants in a desert.
What is secondary succession?
The series of community changes on a new habitat with no soil.
The series of community changes on a previously colonized habitat with soil.
The process of soil erosion in a new habitat.
The growth of plants in a desert.
What is the role of pioneer species in an ecosystem?
They are the last species to colonize an ecosystem.
They disrupt the ecosystem balance.
They are the first species to colonize previously disrupted or damaged ecosystems.
They decrease biodiversity in an ecosystem.
What is the function of carbon dioxide in the atmosphere?
It cools the atmosphere by reflecting sunlight.
It is a greenhouse gas that traps infrared photons (heat) in the atmosphere.
It is a pollutant that reduces oxygen levels.
It is used by animals for respiration.
What is the process by which water changes from a liquid to a gas or vapor?
Condensation
Precipitation
Evaporation
Transpiration
What is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll?
Respiration
Photosynthesis
Fermentation
Digestion
What is a food chain?
A series of organisms each dependent on the next as a source of food.
A group of animals living in the same habitat.
A network of interconnected food webs.
A single organism's diet plan.
What is matter?
Anything that has mass and occupies space.
Only solid objects.
Only liquids and gases.
Only living organisms.
Which of the following is NOT a state of matter?
Solid
Liquid
Plasma
Energy
What is the basic building block of matter?
Molecule
Atom
Cell
Compound
Which of the following is the smallest form of matter?
Molecule
Atom
Element
Particle
What are elements?
Mixtures of different substances
Compounds made of two or more types of atoms
Pure substances that consist entirely of one type of atom
Solutions of various chemicals
Which of the following is an example of an element?
Water
Carbon
Salt
Sugar
Where are elements organized?
In the chemical reaction table
In the periodic table
In the molecular chart
In the atomic list
