Bio 109 Exam 3 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
The benthic zone of aquatic environments is defined as the:
A. region that receives abundant sunlight
B. region where phytoplankton is found
C. region that receives no light
D. substrate at the bottom of a body of water
E. region that is flooded at high tide and not covered by water at low tide -
🧠ANSWER ✔✔D. substrate at the bottom of a body of water
Which of the following are important biotic factors that can affect the
structure and organization of biological communities?
A. light intensity and seasonality
B. availability of minerals and soil pH
C. predation and competition
1
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STATEMENT. ALL RIGHTS RESERVED
,D. precipitation and wind
E. temperature and water availability - 🧠ANSWER ✔✔C. predation and
competition
When climbing a mountain, we can observe transitions in biological
communities that are similar to the changes:
A. in biomes at different latitudes.
B. at different depths in the ocean.
C. in a community through different seasons.
D. in an ecosystem as it evolves over time.
E. across the United States from east to west. - 🧠ANSWER ✔✔A. in
biomes at different latitudes.
Which of the following biomes can only exist with very little precipitation?
A. Tropical forest
B. Coniferous forest
C. Temperate grassland
D. Arctic and alpine tundra
2
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STATEMENT. ALL RIGHTS RESERVED
, E. Desert - 🧠ANSWER ✔✔E. Desert
Which of the following biomes requires high temperatures to exist?
A. Desert
B. Coniferous forest
C. Temperate broadleaf forest
D. Tropical forest
E. Both deserts and tropical forests - 🧠ANSWER ✔✔D. Tropical forest
If the life history pattern for a species is to reproduce once and then die,
that species exhibits:
A. iteroparity
B. semelparity
C. density-dependent reproduction
D. dispersion - 🧠ANSWER ✔✔B. semelparity
In the logistic equation dN/dt = rN , r is a measure of the population's
intrinsic rate of increase. It is determined by:
A. birth rate and death rate
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
Questions and Verified Answers |
Already Graded A+
The benthic zone of aquatic environments is defined as the:
A. region that receives abundant sunlight
B. region where phytoplankton is found
C. region that receives no light
D. substrate at the bottom of a body of water
E. region that is flooded at high tide and not covered by water at low tide -
🧠ANSWER ✔✔D. substrate at the bottom of a body of water
Which of the following are important biotic factors that can affect the
structure and organization of biological communities?
A. light intensity and seasonality
B. availability of minerals and soil pH
C. predation and competition
1
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,D. precipitation and wind
E. temperature and water availability - 🧠ANSWER ✔✔C. predation and
competition
When climbing a mountain, we can observe transitions in biological
communities that are similar to the changes:
A. in biomes at different latitudes.
B. at different depths in the ocean.
C. in a community through different seasons.
D. in an ecosystem as it evolves over time.
E. across the United States from east to west. - 🧠ANSWER ✔✔A. in
biomes at different latitudes.
Which of the following biomes can only exist with very little precipitation?
A. Tropical forest
B. Coniferous forest
C. Temperate grassland
D. Arctic and alpine tundra
2
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, E. Desert - 🧠ANSWER ✔✔E. Desert
Which of the following biomes requires high temperatures to exist?
A. Desert
B. Coniferous forest
C. Temperate broadleaf forest
D. Tropical forest
E. Both deserts and tropical forests - 🧠ANSWER ✔✔D. Tropical forest
If the life history pattern for a species is to reproduce once and then die,
that species exhibits:
A. iteroparity
B. semelparity
C. density-dependent reproduction
D. dispersion - 🧠ANSWER ✔✔B. semelparity
In the logistic equation dN/dt = rN , r is a measure of the population's
intrinsic rate of increase. It is determined by:
A. birth rate and death rate
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
