12 Jun Park BIO BI111 – Match the following terms with their
Question
Homework #3
1. Match the following terms with their correct definition found below.
_B__ Estuary
_D__ Pioneer Community
_A_ Phytoplankton
_E_ Sere
_C__ Zooplankton
A. Free-floating algae; ocean food chain producers
B. A bay ecosystem where fresh and salt water mix
C. Free-floating animals; first order consumers in ocean food chain
D. A successional stage
E. The first stage in succession
2. The branch of science that deals with the ways that organisms and their surroundings interact is called ___Niche____________.
3. An organism’s ___________ is basically its “address” while its ___________ is its “occupation” or functional role within its environment.
4. Each step in the flow of energy through an ecosystem is a ___________, or feeding, level.
5. _____________ organisms, usually green plants, are able to make new, complex organic materials by themselves via photosynthesis; _____________ organisms, usually animals, can only utilize organic materials as food which provide their energy.
6. regular predictable changes in the structure of a community over time is called _____succession___________.
7. Two types of succession include ___primary ________ succession which begins on bare rock and _____secondary________ succession which begins on substrate that remains after the destruction and/or disturbance of an existing ecosystem.
8. The _______ community is the group of plants and animals that becomes relatively stable, long lasting, or otherwise self-perpetuating at the end of a long period of succession; such major types of communities are also known as ________ or major life zones such as deserts, oceans, deciduous forests, etc.
9. Receiving 200 cm. or more of precipitation per year, the ________ _____ _______ is considered to be the most prolific biome in terms of variety and number of species of both animals and plants present.
10. Aquatic ecosystems are divided into two types, ___marine ecosystem________ having a large concentration of salt and other dissolved materials, and ___freshwater ecosystem_________, those lacking the salt.
11. Exhibiting short growing seasons, small, low-lying plants and cold-adapted animals are three characteristics of the __________ biome.
12. In Canada, parts of Europe, and much of the former USSR, the coniferous forest is better known as the ___Taiga________ or boreal forest.
13. List the four biogeochemical cycles which provide the recycling of organic and inorganic substances throughout the Earth’s environments.
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