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Worksheets3rd 9 Weeks Review
Total questions: 81
Worksheet time: 3hrs 32mins
Organisms with a ___________ gene pool have a __________ chance of surviving
smaller, lesser
larger,greater
smaller, greater
larger, smaller
Biodiversity is the ____________ and variability of __________ on earth
variety
life
diversity
difference
Why is biodiversity in an ecosystem so important?
Because it can help humans where to determine good places to develop farm land.
Because places that have a healthy biodiversity are unaffected by major disturbances.
Because having a high biodiversity allows ecosystems to withstand major changes.
Because having a high biodiversity allows for fewer opportunities of competition for similar resources.
A group of individuals belonging to the same species living in the same general area at the same time.
population
community
ecosystem
biosphere
Pictured is a food web.
Which of the following animals might compete with the coyote for food?
A deer that eats grass
A snake that eats mice
A tree that uses the sun to produce energy
A bird that eats worms
An example of competition in the picture would be...
The clouds and rocks competing for sunlight
The tree and grass competing for soil nutrients
The fox and river competing for water
The fox and grass competing for food
What happens if a population grows past its carrying capacity?
The population keeps growing
The population starts to die off
The entire species will go extinct
The carrying capacity just increases
This may cause a population to increase
increase of food supply
removal of predators
removal of disease
all of these
What is the carrying capacity of the graph?
1000
8000
800
600
Predator population lags behind prey population because......
Increase in predators leads to decrease in prey
Increase in predators leads to increase in prey
Increase in predators leads to decrease in producers
Increase in producers leads to increase in prey
What is the biggest danger to the world's ecosystem?
trash
humans
factories
ocean pollution
Pollution can be found __________________________.
in the air
on the land
in the water
all of these answers
Pollution that comes from MANY different places and is hard to identify its source.
Point
Non-Point
Pollution that comes from a single source
Point
Non-Point
Disposing of paint and other household hazardous materials down the drain
Point
Non-Point
What is an invasive species?
An organism that is new to an environment that has positive effects on the environment.
An organism that is native to an environment that has negative effects on the environment.
An organism that is new to an environment that has negative effects on the environment.
An organism that is native to an environment that has positive effects on the environment.
have the ability to interbreed.
What is Darwin famous for studying?
Penguins
Beagles
Fishes
Finches
Which set of Islands had a strong influence on Darwins ideas?
Hawaii
Galapagos
Samoa
Florida Keys
On the cladogram, which organism is the closest relative of the parrot?
Frog
Hare
Caiman
Parrot
All the animals to the right of the salamander would have the common characteristic of...
Fur
Claws or nails
Lungs
Jaws
Which statement was NOT included in cell theory?
All living things are composed of cells.
Living cells come only from other living cells.
Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.
Cells are the smallest structure of living things that can perform the functions necessary for life.
Which instrument is credited for helping scientists develop cell theory?
Who discovered and named cells while looking at cork?
Captain Hook
Robert Hooke
Matthais Schleiden
Rudolf Virchow
All living things are made up of...
cells
tissues
organ
organ systems
What is the basic structural and functional unit of all living things?
atom
cell
bacteria
animalcules
The ___________ is the basic structure of life
atom
molecule
cell
organism
All cells come from ___________ cells
A cell that contains a nucleus is a ___________.
A cell that does not have a nucleus is a __________.
All of the following apply to eukaryotic cells except:
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?
size of the cells of the organism
what the organism eats
how many types of cells are in the organism
how fast the organism grows
Which organelle assembles amino acids to create proteins?
nucleus
ribosomes
lysosome
chloroplast
Which organelle is the center of the cell and contains DNA?
cytoplasm
lysosome
golgi body
nucleus
Which organelle is the rigid outer layer of a plant cell?
cell wall
cell membrane
cytoplasm
chloroplast
Which organelle produces the energy a cell needs to carry out its functions? (The mighty power house)
lysosome
mitochondria
vacuoles
ribosomes
Which organelle captures sunlight and uses it to make food in plant cells?
nucleus
vacuoles
ribosomes
chloroplast
This cell part is in ALL cells. It is the gel-like substance that provides cell shape.
Chloroplasts
Cell membrane
Cytoplasm
Nucleus
