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7th Grade Science Final Review
7th Grade Science Final Review
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7th Grade life science final review
Flashcards
55 cards
F
Practice quiz
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Host live
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Questions
55
Answers
1
Approximately what is the deer carrying capacity for WallaWalla Island?
100
60
40
80
2
An organism only made out of one cell is called
Producer
Unicellular
Heterotroph
Consumer
3
The exchange of carbon dioxide & oxygen occurs in the respiratory system, what is this process?
Diffusion
Osmosis
Selectively permeable
Active Transport
4
A prokaryote is:
A single celled organism with a nucleus
A single celled organism that has no nucleus.
Bacteria
Grass
5
Why do most species experience a carrying capacity?
Most species have limiting factors
Most species don't have predators
The earth has unlimited land for organisms to live
Most species have unlimited amounts of food
6
Conway gets a lice outbreak.. They feed off blood from the human scalp. This is:
Commensalism
Nastyism
Parasitism
Mutualism
7
If you knock a beaker off a table, what should you do first?
Tell the teacher
Kick glass under the table
Runnnnnn
Pick glass up
8
What is the independent variable in the peppered moth lab?
Amount of moths
Color of the moths
The environment
Amount of time
9
What is the name of the process animals use to take in O
2
and release CO
2
?
Fermentation
Mitosis
Cell Respiration
Photosynthesis
10
What is an organelle only found in a plant cell?
Cell Wall
Nucleus
Lysosome
Cell Membrane
11
What types of limiting factors might be apart of the population shown in the graph?
Limited resources
Unlimited resources
Hurricanes
Habitat destruction
12
Which is not a characteristic of living things?
They are made of cells
They move
They grow and develop
They use energy
13
All living matter is called?
Producers
Biotic
Abiotic
Decomposers
14
What occurs in plants?
Neither
Only cell respiration
only photosynthesis
Photosynthesis and Cell respiration
15
This is when water molecules go from high to low concentration through a membrane.
Road Tripping
Diffusion
Osmosis
Active Transport
16
Sweating and shivering are examples of?
Concentration
Homeostasis
Metabolism
Diffusion
17
Which of the following is abiotic?
Fallen leaves
Hail
Hamster
dandelion
18
What characteristic of science means that science always has the possibility to change?
Tentative
Natural
Consistent
Observable
19
If you fail to water a plant, what structure will begin shrinking and losing pressure?
Vacuole
Cell membrane
Chloroplast
Mitochondria
20
What do the arrows in the food web represent?
Most important animal
Genetically related organisms
Transfer of energy
Dominant species
21
If only 10% of energy gets transferred up the food chain, what happens to the 90%?
Movement and reproduction
They don't need it
It gets converted and lost as heat energy
It gets wasted
22
The independent variable is:
The variable that you measure
The variable that you change
The variable that stays the same
23
Why do scientists do the same experiment over and over again?
They want to see if they get consistent results
They get paid a lot
They are having too much fun
They are trying to control to experimental variables
24
Ultimately all of the energy in the food pyramids come from:
Grass
The Earth
The sun
The moon
25
I honestly feel like my final test score will be:
Get an A!
Decent
Might as well not get out of bed
Might Pass
26
Which animal is the prey?
Both
Neither
Lions
Gazelle
27
Why would siblings look similar?
They choose the same adaptations to survive
They got their haircut by the same person
They inherited genes from the same parents
They live in the same environment
28
A dog hides under a table due to fireworks, what characteristic of life is this an example of?
Made of Cells
Growth and Development
Reproduction
Response to stimuli
29
In the food web, which organism would have the largest population?
Goat
Lion
Green Plant
Mouse
30
What organelle in the cell helps to metabolize and convert food into energy?
Mitochondria
Cell Membrane
Vacuole
Chloroplast
31
Who is the father of genetics?
Isaac Newton
Gregor Mendel
Charles Darwin
Lebron James
32
What is a behavioral adaptation?
camouflage
Being nocturnal
Countershading
disruptive coloration
33
What is the process used by plants to make Glucose and Oxygen?
Mitosis
Cell Respiration
Combustion
Photosynthesis
34
If an animal only eats producers, they must be a _______________
Omnivore
Herbivore
Carnivore
Autotroph
35
All living things need water, energy, living space, and
Oxygen
Antibiotics
Stable internal Conditions
Carbon Dioxide
36
Which of the following is not a trait of asexual reproduction?
Requires a lot of energy
Take little time
Identical offspring
Needs 1 parent
37
What is the name for a specific place where one organism lives?
Habitat
Lake
Tree
Mansion
38
Biology is the study of __________
Antibiotics
Life
species interactions
Robotics
39
What structure in the cell is selectively permeable
Cell membrane
Cytoplasm
Cell wall
mitochondria
40
Bees and flowers are what type of symbiosis?
Commensalism
mutualism
Parasitism
Stingism
41
Which is not evidence for evolution
DNA evidence
Fossils
Divergent Evolution
Comparative Embryology
42
How many chromosomes are found inside the human sex cell? (sperm,egg)
23
46
44
2
43
What are the products of cell respiration?
O2 and H2O
Sunlight and CO2
CO2, H20, and Energy(ATP)
CO2 and Glucose
44
Organisms that make their own food inside their cells are called?
Heterotroph
Autotroph
Consumers
Magictroph
45
What part of an energy pyramid has the largest population?
Secondary Consumer
Tertiary Consumer
Primary Consumer
46
What is natural selection?
Most odd looking organisms survive
Best traits have high survival/reproduction
The rich organisms select others to survive
Nature selects traits for organisms randomly
47
Why are there less consumers than producers?
Consumers get killed easier
Consumers need enough energy to support their population
Consumers just haven't eaten them all yet
48
What is the study of all living things and their interactions?
Economy
Ecology
Biology
Micronomy
49
What is the dependent variable in the peppered moth lab?
Amount of moths
Amount of time
Years
The environment
50
The enviroscape was an example of a science ______________
conclusion
hypothesis
experiment
model
51
What are the levels of organization in biology, in order from small to large?
organ, organ system, cell, tissue, organism
cell, tissue, organ, organ system, organism
Organism, Cell, organ, organ system, tissue
Cell, organ, organism, tissue, organ system
52
In the food web, who is a primary consumer?
Snake
Jackal
Green Plants
Goat
53
The plover bird eats the leftover food and bugs from a crocodile's mouth cleaning it. This is:
Mutualism
Disguistingism
Parasitism
Commensalism
54
The Earth is 4.6 billion years old. How old are the first signs on life?
3.5 billion years
5-7 million years
200,000 years
4.6 billion years
55
What type of symbiosis occurs when one organism benefits and the other is not affected?
Mutualism
Commensalism
Parasitism
Communism
