Ecology and Biology

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Questions and Answers

Which of the following processes converts light energy into chemical energy?

  • Transpiration
  • Decomposition
  • Cell Respiration
  • Photosynthesis (correct)

Denitrification is a process where nitrogen is converted into a form usable by plants.

False (B)

What type of organism obtains energy by consuming dead organic matter?

decomposer

The process where water changes from a liquid to a gas is called ______.

<p>evaporation</p> Signup and view all the answers

Match the following ecological terms with their definitions:

<p>Habitat = The natural environment where an organism lives Niche = The role and position a species has in its environment Population = A group of individuals of the same species living in the same area Community = An interacting group of various species in a common location</p> Signup and view all the answers

Which of the following best describes the relationship between a predator and its prey?

<p>One species benefits, and the other is harmed. (D)</p> Signup and view all the answers

Primary succession begins in an area with existing soil and vegetation.

<p>False (B)</p> Signup and view all the answers

What term describes the maximum number of individuals an environment can support?

<p>carrying capacity</p> Signup and view all the answers

A resource that is used faster than it can be replaced is considered a ______ resource.

<p>non-renewable</p> Signup and view all the answers

Which of the following is an example of a biotic factor in an ecosystem?

<p>Bacteria (D)</p> Signup and view all the answers

A covalent bond involves the transfer of electrons between atoms.

<p>False (B)</p> Signup and view all the answers

What is the monomer of a protein?

<p>amino acid</p> Signup and view all the answers

Enzymes function as ______ to speed up chemical reactions in cells.

<p>catalysts</p> Signup and view all the answers

Which type of cell lacks a nucleus and other membrane-bound organelles?

<p>Prokaryotic (C)</p> Signup and view all the answers

Osmosis is the movement of solute molecules from an area of high concentration to an area of low concentration.

<p>False (B)</p> Signup and view all the answers

In plants, what is the name of the structure where photosynthesis takes place?

<p>chloroplast</p> Signup and view all the answers

The process of splitting glucose into pyruvate is known as ______.

<p>glycolysis</p> Signup and view all the answers

Which phase of mitosis involves the separation of sister chromatids?

<p>Anaphase (A)</p> Signup and view all the answers

Transcription is the process of synthesizing protein from RNA.

<p>False (B)</p> Signup and view all the answers

What is the term for a change in the nucleotide sequence of DNA?

<p>mutation</p> Signup and view all the answers

Flashcards

Energy

The capacity to do work.

Evaporation

The process where liquid changes to gas.

Condensation

The change of a gaseous state to a liquid state.

Precipitation

Any form of water that falls from clouds.

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Transpiration

The process of water movement through a plant and its evaporation from aerial parts.

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Photosynthesis

A process used by plants and other organisms to convert light energy into chemical energy.

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Cell Respiration

The process in which cells convert glucose into energy they can use.

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Nitrogen Fixation

The chemical processes by which atmospheric nitrogen is assimilated into organic compounds.

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Denitrification

The process by which bacteria convert nitrates into nitrogen gas.

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Sedimentation

The deposition of solid material from a state of suspension in a liquid.

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Decomposition

The process by which organic substances are broken down into simpler matter.

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Producer

An organism that produces its own food.

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Consumer

An organism that eats other organisms.

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Decomposer

An organism that breaks down dead organic material.

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Herbivore

An animal that feeds on plants.

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Carnivore

An animal that feeds on flesh.

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Omnivore

An animal that eats both plants and animals.

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Predator

An animal that hunts and kills other animals for food.

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Prey

An animal that is hunted and killed by another for food.

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Biodiversity

The variety of life in the world or in a particular habitat or ecosystem.

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