WorksheetsUnit 1 Biology Review
Total questions: 15
Worksheet time: 15mins
DNA found only in the nucleus
prokaryotic
eukaryotic
both
neither
A collection of living organisms that belong to different populations but all live in the same area and interact with one another is a...
Population
Ecosystem
Community
Ecosphere
Non-living factor that affects an ecosystem...
biotic factor
abiotic factor
food chain
biome
What are the biotic factors in this image?
sunlight, elephants, grasses
sunlight, water, air
elephants, plants, trees
elephants, clouds, grasses
What is a community?
One individual of a species
a group of individuals living together in an area
all the different populations living together in an area
different communities and their physical environment
What is an ecosystem?
One individual of a species
a group of individuals of a species that live in the same area
all the different species in an area
all the communities in an area and the physical environment
What level of ecological organization does the bird represent?
Organism
Population
Community
Ecosystem
A duck, a dragonfly, a morel mushroom and a bobcat are all examples of...
organisms.
populations.
communties.
ecosystems.
All of the different BIOTIC organisms found in the same area.
Organism
Population
Community
Ecosystem
Which example best illustrates the difference between a community and a population?
All the people in a town would be a community; all the people in a country would be a population
The two terms are interchangeable, a population IS a community.
All the people in a town would be a community; all their cattle would be a population.
All the different animals in a national park would be a community; all of the brown bears in the park would be a population.
Which 2 of the following is/are considered biotic factors?
Chicken
Water
Wind
Mushroom
Temperature
Where all life on Earth exists; encompassing all of Earth’s ecosystems
biosphere
biome
ecosystem
community
What is the primary function of the mitochondria in eukaryotic cells?
Energy production through cellular respiration
Protein synthesis
Photosynthesis
DNA replication
Which of the following best describes the process of osmosis?
Movement of water from a region of low solute concentration to high solute concentration through a semi-permeable membrane
Movement of solutes from a region of high concentration to low concentration
Active transport of ions across a membrane
Diffusion of gases across a cell membrane
In a controlled experiment, which variable is manipulated to observe its effect on the dependent variable?
Independent variable
Dependent variable
Control variable
Extraneous variable
