Biosphere Flashcards

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1
Q

The part of the earth that supports all organisms, made up of all of the Earth’s ecosystems.

A

Biosphere

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2
Q

The scientific study of interactions between different organisms and between organisms and their environment.

A

Ecology

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3
Q

A group of organisms so similar to one another that they can breed and produce fertile offspring.

A

Species

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4
Q

Groups of individuals that belong to the same species and live in the same area.

A

Population

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5
Q

Assemblages of different populations that live together in a defined area.
A first with tress, and mushrooms

A

Communities

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6
Q

Populations of plants that interact with each other in a given area with abiotic components of that area.

A

Ecosystem

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7
Q

Group of ecosystems that have the same climate and similar dominant communities.

A

Biome

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8
Q

An individual living thing that is made of cells, uses energy, reproduces, grows, and develops. Example: studying one lion

A

Organisms

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9
Q

What are the three basic method for ecological research?

A

Observation, experimentation, and modeling

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10
Q

What is biotic?

A

Living

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11
Q

Abiotic?

A

Nonliving

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12
Q

Where does the energy source begin with?

A

The sun

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13
Q

organisms that can make glucose during photosynthesis/they can produce their own food
use most of the energy they make for themselves

A

Producers

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14
Q

What do producers(or autotrophs) do in photosynthesis?

A

use light energy from the sun to produce carbohydrates(sugars and starches)
Adds oxygen to atmosphere and removes carbon dioxide
Examples

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15
Q

Organisms use chemical energy to produce carbohydrates

A

Chemosynthesis

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16
Q

The energy that is not used by producers can be passed on to organisms that cannot make their own energy.
Organisms that can only acquire their energy from other organisms
They rely on other organisms for their energy and food supply

A

Consumers-Heterotrophs

17
Q

Obtain energy by eating only plants

A

Herbivores such as cows, deers, and caterpillars

18
Q

Energy by eating other animals.

A

Carnivores such as snakes and owls

19
Q

Eat both plants and animals to obtain energy.

A

Omnivores such as humans and bears

20
Q

Feed on dead plant and animal remains and dead Matter such as mites, earthworms, and snails

A

Detritivores

21
Q

Breaks down organic matter

A

Decompose bacteria and fungi

22
Q

When the feeding relationships among the various organisms in an ecosystem form a network of complex interactions ecologists describes these relationships as

A

Food web

23
Q

Series of steps in which organisms transfer energy by eating and being eaten.

A

Food chain

24
Q

A diagram that shows the relative amounts of energy or Matter contained within each object

A

Ecological Pyramid

25
Q

Total amt of living tissue sighting a given trophic level

A

Biomass

26
Q

Step in food chain web

A

Trophic level