As the tide rises, periwinkles...Select one:a. do nothingO b. fly to safetyC. move inlandd. go deeper into the watere. move out into the oceanClear my choiceWhat type of animal keeps prairie soilsloose?Select one:a. grasshopperb. carpenter antc. earthwormd. tortoiseе. owlThe amount of time each year that amarsh is wet is theof thatmarsh.Select one:a. waterspanb. periphytonc. hydroperiodO d. rain cyclee. marl What type of aboveground stream isusually fed directly by rainwater?Select one:a. blackwater streamO b. spring runO c. alluvial streamO d. steephead streame. seepage streamClear my choiceOysters can survive in marine areas if...Select one:O a. the substrates are mineral-basedO b. there are no drillsO c. there is an abundance of sea starsO d. the areas are intertidalO e. the salinity is lowPurple Sea Fan might dominate whatecosystem?Select one:a. octocoral bedb. sponge bedO c. patch reefO d. freshwater reefe. barrier reefClear my choice

Periwinkles have strong shells than most land shells. The common periwinkle is mainly found on rocky…

As the tide rises, periwinkles... Select one: a. do nothing b. fly to safety O C. move inland d. go deeper into the water e. move out into the ocean Clear my choice What type of animal keeps prairie soils loose? Select one: a. grasshopper O b. carpenter ant c. earthworm d. tortoise e. owl

As the tide rises, periwinkles... Select one: a. do nothing b. fly to safety O C. move inland d. go deeper into the water e. move out into the ocean Clear my choice What type of animal keeps prairie soils loose? Select one: a. grasshopper O b. carpenter ant c. earthworm d. tortoise e. owl

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter18: The Biosphere And Human Effects

Section: Chapter Questions

Problem 4CT

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Concept explainers

Population Growth

R and K Selection

R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.

Question

As the tide rises, periwinkles...
Select one:
a. do nothing
O b. fly to safety
C. move inland
d. go deeper into the water
e. move out into the ocean
Clear my choice
What type of animal keeps prairie soils
loose?
Select one:
a. grasshopper
b. carpenter ant
c. earthworm
d. tortoise
е. owl
The amount of time each year that a
marsh is wet is the
of that
marsh.
Select one:
a. waterspan
b. periphyton
c. hydroperiod
O d. rain cycle
e. marl

What type of aboveground stream is
usually fed directly by rainwater?
Select one:
a. blackwater stream
O b. spring run
O c. alluvial stream
O d. steephead stream
e. seepage stream
Clear my choice
Oysters can survive in marine areas if...
Select one:
O a. the substrates are mineral-based
O b. there are no drills
O c. there is an abundance of sea stars
O d. the areas are intertidal
O e. the salinity is low
Purple Sea Fan might dominate what
ecosystem?
Select one:
a. octocoral bed
b. sponge bed
O c. patch reef
O d. freshwater reef
e. barrier reef
Clear my choice

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