Post on 09-Jun-2015
transcript
1
10 pt
15 pt
20 pt
25 pt
5 pt
10 pt
15 pt
20 pt
25 pt
5 pt
10 pt
15 pt
20 pt
25 pt
5 pt
10 pt
15 pt
20 pt
25 pt
5 pt
10 pt
15 pt
20 pt
25 pt
5 pt
Step 1 Step 2 Step 3 Step 4 Step 5
2
Branch of biology that deals with interactions among organisms and
between organisms and their environment.
3
What is ecology?
4
The lowest level of environmental complexity
that includes living and non-living factors.
5
What is ecosystem?
6
All the members of a particular species living in
one area.
7
What is population?
8
The simplest grouping of more than one organism in
the biosphere.
9
What is community?
10
An organism that uses energy to produce its own
food supply from inorganic compounds.
11
What is autotroph?
12
A bacteria that uses chemicals to produce its
food.
13
What are chemosynthetic bacteria?
14
Compared to land, open oceans are low in the level
of these.
15
What are nutrients?
16
The total amount of living tissue within a given
trophic level.
17
What is biomass?
18
The term for each step in the transfer of energy and matter within a food web.
19
What is a trophic level?
20
A snake that eats a rabbit that eats grass is this level
on the food chain.
21
What is a secondary consumer>
22
The amount of energy that passes to the next trophic
level.
23
What is 10%?
24
The type of pyramid that shows the amount of living tissue at each trophic level
in an ecosystem.
25
What is a biomass pyramid?
26
What type of pyramid shows the number of
organisms at each trophic level.
27
What is a pyramid of numbers?
28
A natural phenomenon that maintains the Earth’s temperature range.
29
What is the greenhouse effect?
30
The process by which bacteria convert nitrogen gas in the air to ammonia.
31
What is nitrogen fixation?
32
The result of a lake having a large input of limiting
nutrients.
33
What is an algal bloom?
34
The rate at which organic matter is created by
producers in an ecosystem.
35
What is primary productivity?
36
The average year-after-year condition of temperature and
precipitation in a particular region.
37
What is climate?
38
A symbiotic relationship in which both species benefit.
39
What is mutualism?
40
The series of predictable changes that occurs in a community over time.
41
What is ecological succession?
42
Primary succession can begin after this.
43
What is volcanic activity?
44
In the photic zone this can occur.
45
What is photosynthesis?
46
This cannot occur in the aphotic zone.
47
What is photosynthesis?
48
Depth, flow, temperature, and chemistry.
49
What are ways aquatic ecosystems are classified?
50
An ecological inquiry method an ecologist uses
when studying populations of a certain species.
51
What is modeling?