CRUSTACEANS!!!!

multiple choice

100

Which of the following is not a defining feature of a crustacean?  A. Exoskeleton 

B. Segmented Body 

C.Three Pairs of Antennae 

D.Biramous Appendages

C Not three pairs of antennae it has two pairs

200

^{Which of the following statements about crawfish is correct? A. Crawfish are only found in saltwater habitats and are rarely consumed by humans.    B) Crawfish are omnivorous scavengers, found in freshwater worldwide, _and are an economically important food source in Louisiana.} 

^{C. Crawfish feed exclusively on plants and are not significant to any regional economy.}

Correct Answer: B) Crawfish are omnivorous scavengers,

300

^{Which statement about copepods is correct?     A) Copepods are large crustaceans found mainly on land.} 

^{B. Copepods are tiny crustaceans that are primary consumers, feeding mainly on phytoplankton.} 

^{C) Copepods are predators at the top of the aquatic food web.}   

 ^{D) Copepods are not important in the food web for fish or whales} 

B) Copepods are tiny crustaceans that are primary consumers, feeding mainly on phytoplankton.

400

Where can isopods be found? 

A.Only freshwater 

B.only marine environments 

C.marine, freshwater, and terrestrial environments 

D.Only in desert soils

C.marine, freshwater, and terrestrial environments

500

_{Which of the following statements about (crawfish) burrowing behavior and ecology is most accurate?      A) All crayfish species construct complex, branched burrows up to 10 feet deep, regardless of habitat or region.}     

  _{B) Only marine crayfish species burrow, and they use their burrows exclusively for breeding during the spring.}   

  _{C) Some crayfish species, known as primary burrowers, spend most of their lives in elaborate underground burrow systems,}   

  _{D) Crayfish burrows are always found directly beneath rocks in fast-flowing streams}

Correct Answer:
C) Some crayfish species, known as primary burrowers

short answer

100

which direction do crabs walk?

they walk lateral/sideways 

200

what is a common role for shrimp

Food source for other animals or scavengers 

300

What is the primary habitat of lobster 

ocean floor/rocky seabeds

400

name one of the Isopods ecological roles 

Break down organic matter and some are parasite types

500

What type of krill has a large biomass 

Antarctic Krill

true or false

100

lobster live in saltwater and freshwater 

FALSE they live in saltwater

200

Crawfish live in saltwater

False they live in freshwater

300

Decapods have 8 legs

false they have 10 

400

Crabs are cleaners for the ocean  

true

500

Krill creates it own light

true

fill in the blank

100

Lobster have ____ strong claws for defense 

2

200

One of the lobster claw is ______ and ________ and is used for defense

bigger and stronger 

300

isopods live in saltwater,freshwater, and _____. 

Land

400

Crustaceans are filter _____ for the oceans 

Feeders 

500

Copepods are critical food for _____,_______, and ______

whales,fish,and seabirds