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BJU 7th Grade Ecology Flashcards | StudBud
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BJU 7th Grade Ecology
BJU 7th Grade Ecology
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7th grade ecology
Flashcards
36 cards
F
Practice quiz
P
Host live
L
Questions
36
Answers
1
Biological community of interacting organisms and their physical environment
Ecologist
Ecobiology
Economy
Ecology
2
A niche is...
All the organisms of a species living in geographical area.
An individual animal, plant or single-celled organism.
An organisms role in its community.
A system of interlocking and interdependent food chains.
3
What impact would the sudden disappearance of whales have in an oceanic ecosystem?
Sea grasses would die off, no effect.
Sea grass fields would grow fast, clog ocean.
Sea grasses would flourish, no effect.
Sea algae would die off, domino effect in food web.
4
Study that deals with relations of organisms to one another and to their physical surroundings.
Ecosystem
Biology
Biogenetics
Ecology
5
Scientists are concerned about exotic species because they...
Are dangerous to humans.
Do not have predators to eat them in their new ecosystems.
Are difficult to catch and keep alive in pet stores.
Because science.
6
Interacting groups of various species in a common location are a...
Community
Niche
Population
Host
7
Organisms belonging to the same species living together in the same place at the same time are
Ecosystem
Niche
Population
Community
8
Which of these is a producer?
A
C
D
B
9
Which of these are all examples of abiotic factors?
Tree, temperature, mushroom.
Water, sunlight, mushroom.
Water, temperature, sunlight.
Temperature, goldfish, sunlight.
10
A Biological clock is
An organisms ability to find food.
How scientists predict the end of the world.
The study of time change.
internal clock controlling daily rhythm
11
Organisms that use any outside energy source, such as the sun, to produce energy rich molecules
Producer
Carnivore
Herbivore
Decomposer
12
Obtains food by eating, cannot produce own food.
Producer
Organism
Consumer
Prey
13
A tree provides oxygen, shade, a habitat, food... this describes its'
Natural selection
Symbiosis
Biomagnification
Niche
14
Which of these is a first order consumer?
C
B
D
A
15
All of the organisms living in the rain forest are called a...
Niche.
Population.
Habitat.
Community.
16
Which of the following is an organism?
Dandelion
Water
Sand
Sunlight
17
Rain, snow, sleet and hail are forms of
Precipitation
Transpiration
Evaporation
Population
18
The role a species plays in its community is its...
Niche
Ecosystem
Habitat
Population
19
Bacteria plays what role in a woodland ecosystem.
Stores chlorophyll for photosynthesis.
Obtain dissolved oxygen from moisture.
Provide oxygen to animals
Break down nitrogen to useable compounds
20
All organisms living in an area and the nonliving features of their environment make up a(n)
Ecosystem.
Niche.
Ecological community.
Environment.
21
Resource stewarding happens when...
Garbage is taken to the dump
Plastic bags are reused.
Aluminum cans are recycled.
Newspapers are used to start a fire.
22
An organism that cannot make its own food
Plant
Producer
Algae
Consumer
23
Which of these are examples of biotic factors?
Tree, goldfish, mushroom
Sunlight, mushroom, temperature.
Goldfish, tree, water.
Temperature, goldfish, tree.
24
Any living component that affects another organism
Biomagnification
Food chain
Biotic factor
Ecosystem
25
A predator is...
Any living component that affects another organism.
An individual animal, plant, or single-celled life form.
Animal that obtains food only by eating it.
Organism that hunts and eats another organism.
26
Which of the following pizzas would an omnivore order?
Supreme ( green pepper, onion, sausage, pepperoni).
Veggie Lovers (green pepper, onion, olives)
Cheese Lovers (four types of cheese).
Meat Lovers (sausage, pepperoni, ham, bacon).
27
An owl ate a snake, that ate a mouse, that ate some grass, which one is the producer?
Mouse.
Grass
Owl.
Snake.
28
A producer is..
A series of organisms each dependent on next as food source.
Organism capable of producing its own food.
Any living component that affects another organism
Interacting group of various species in a common location.
29
All the chipmunks living in an area is called a
Population
Ecosystem
Habitat
Community
30
An individual animal, plant, or single-celled life form is...
A predator
A producer
A consumer
An organism
31
An organism hunted or caught by another organism as a food source is...
Prey
Predator
Consumer
Producer
32
If the rodent population decreases in a country ecosystem, what happens to the owls?
Their numbers stay the same.
They become endangered.
Their numbers decrease.
Their numbers increase.
33
All the organisms of a species living in a geographical area.
Niche
Community
Population
Ecosystem
34
Which of the following is a nonliving feature of the environment?
Bacteria
Fungi
<p>Cow</p>
Sun
35
What components make up a habitat?
Food, water, shelter and space.
Predators, prey, niche, and producers.
Food, water, population and space.
Population, community, niche, and ecosystem.
36
Which of the following are all cyclical resources?
Oil, wind, sun.
Sun, wind, coal.
Sun, carbon, nitrogen.
Carbon, nitrogen, oxygen.
