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ENV100Y5 Study Guide - Midterm Guide: Nitrogen Fixation, Estuary, Pesticide Resistance

Course Code
Monika Havelka
Study Guide

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Question 1
10 out of 10 points
It is always important to learn the language of any new discipline that you undertake.
Match each of the following definitions with the term that best fits.
Please note that there will be a few extra terms for which you won't find a matching
Growth or increase of something by the gradual
accumulation of material or layers.
Relatively rapid diversification of organisms in
response to the availability of new ecological niches
as a result of environmental change.
The maximum population that a particular
environment can support without undergoing
ecological damage.
When two or more independent species closely
influence each other, and each adapts to changes in
the other during their evolution.
A group of two or more populations of different
species occupying the same geographical area at the
same time.
The evolution of similar biological traits or characters
by two separate and distinct species, as a result of
adaptation to similar environmental pressures.
The increase of a population (or of anything) by an
amount that is proportional to the current number,
rather than by a constant amount.
A process of natural selection in which "average" or
intermediate traits are more advantageous and are thus

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favoured over extreme traits.
A group of organisms of the same species living in the
same geographical area at the same time, which are
thus able to interbreed.
An environmental factor that controls the growth,
reproduction, or distribution of an organism.
Question 2
5 out of 5 points
Here are four examples of climatographs. Refer to the diagrams to answer the following
questions, in the blank spaces provided. (You will need to use at least one of the
diagrams more than once in order to fill in all of the blanks.)
1. Which climatograph shows a biome that is nearly aseasonal? [v]
2. Which one shows a biome that has a clearly defined dry season and wet season? [w]
3. Which diagram shows an example of a tundra biome? [x]
4. Which diagram shows an example of a desert biome? [y]
5. Which diagram shows an example of a tropical rainforest biome? [z]
Answer for: v D
Specified Answer for: w
Specified Answer for: x
Specified Answer for: y
Specified Answer for: z
Correct Answers for: v
Correct Answers for: w
Correct Answers for: x

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Correct Answers for: y
Correct Answers for: z
Question 3
1 out of 1 points
The fundamentally important process described by the following relationship is called
6CO2 + 6H2O + energy from the Sun → C6H12O6 (sugar/carbohydrate) + 6O2
Selected Answer:
Correct Answer:
Question 4
2 out of 2 points
[c] is the specific environment in which an organism lives, whereas [d] is its use of
resources and its functional role in the community.
Answer for: c
Specified Answer for: d
Correct Answers for: c
Correct Answers for: d
Question 5
8 out of 8 points
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