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Bio 182 Exam 1 (Chapter 45-50) || With Questions & Answers (100% Correct)
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Bio 182 Exam 1 (Chapter 45-50) || With Questions & Answers (100% Correct) Bio 182 Exam 1 (Chapter 45-50) || With Questions & Answers (100% Correct) At what levels of life are focused on while studying ecology? - ANSWER - -organismal -population -community -ecosystem What is the differenc...

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  • September 21, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 182 exam 1 chapter 45 50 questions and answers
  • what is meant by carrying capacity what is it tha
  • in order to help fight back against their predator
  • what are disturbances give some examples

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Bio 182 Exam 1
2024 (Chapter 45-50) || With
Questions & Answers
(100% Correct)




Conceptial Researchers ||
conceptialresearch@gmail.com

, Bio 182 Exam 1 (Chapter 45-50) || With
Questions & Answers (100% Correct)
At what levels of life are focused on while studying ecology? - ANSWER - -
organismal
-population
-community
-ecosystem

What is the difference between a biotic and abiotic factor in the environment? -
ANSWER - -Biotic interactions are interactions among living things
-Abiotic interactions are between organisms and their nonliving environment

There are two major classes of aquatic biomes that are divided based on their salt
content. What are they? - ANSWER - freshwater biome
-salt concentration of less than 1%
-lakes, streams, rivers, and wetlands

marine biome
-a salt concentration around 3%
-oceans, intertidal zones, coral reefs, and estuaries.

What % of earth does fresh water cover? - ANSWER - less than 1%

Be able to understand and explain the benthic realm, photic zone, and aphotic zone
as is occurs in lakes and ponds. - ANSWER - photic zone
-light is available for photosynthesis -shallow water near shore and
the upper layer of water away from shore.

aphotic zone
-deeper and
has light levels too low to support photosynthesis.

benthic realm
-at the bottom of all aquatic biomes

Unlike lakes and ponds which are standing water, rivers and streams are flowing
water. Be able to explain some of the differences in properties that occur near the
source of the stream vs. downstream. - ANSWER - Near the source of a stream, the
water is usually
-clear, cold, swift, and low in nutrients.

Downstream, the water is usually
-murkier, warmer, slower, and higher in nutrients.

What is the open water part of the ocean called? - ANSWER - pelagic realm

How deep is the photic zone in the ocean? - ANSWER - 200 meters

, Know the 9 major terrestrial biomes, and what the temperature and precipitation
regime of each is. - ANSWER - Savannas
-dominated by grasses and scattered trees,
are warm year-round
-rainfall 12-20 inches per year with dramatic seasonal variation.

Deserts
-driest of all biomes,
-characterized by low and unpredictable rainfall of less than 12 inches a year, and
may be very hot or very cold.

Chaparral
-climate results from cool ocean currents circulating offshore and producing
-mild, rainy winters
-hot, dry summers.

Temperate grasslands
-mostly treeless,
-10-30 inches of rain per year,
-experience frequent droughts and fires

Temperate broadleaf forest
-where there
is sufficient moisture to support the growth
of large trees
-30 to 60 inches of rainfall

Coniferous forests
-dominated by cone-bearing evergreen trees and

Tundra
-Arctic between the taiga and polar ice
-permafrost (permanently frozen subsoil),
-bitterly cold temperatures
-high winds.

Polar ice
-north of the arctic tundra in the Northern Hemisphere and
in Antarctica in the Southern Hemisphere.
-Only a small portion of these landmasses is free of ice or snow, even during the
summer.

Tropical forests
-equatorial areas, where
-temperature is warm
-high precipitation

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