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