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10 Questions

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Crustacean Kingdom

Created by

@WellWishersComprehension

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Questions and Answers

What is the body structure of crustaceans?

Radially symmetrical with tentacles and a central body

Segmented body with a single pair of antennae

Asymmetrical with a single body segment

Bilaterally symmetrical with cephalon, thorax, and abdomen (correct)

What type of eyes do crustaceans have?

No eyes at all

Simple eyes without stalks

Eyes embedded within the body

Compound eyes on stalks (correct)

Which statement about reproduction in crustaceans is true?

Sexual reproduction is common (correct)

Reproduction only occurs in freshwater environments

Crustaceans are all hermaphroditic

Asexual reproduction is the primary mode

What are examples of crustaceans?

Crabs, lobsters, and shrimps Signup and view all the answers

Where do most crustaceans live?

Aquatic environments Signup and view all the answers

What are some examples of crustaceans mentioned in the text?

crabs, lobsters, crayfish, shrimps, prawns, krill, woodlice, barnacles Signup and view all the answers

What is the body structure of crustaceans?

bilaterally symmetrical consisting of cephalon (head), thorax, and abdomen; covered externally with a chitinous cuticle; have compound eyes on stalks and two pairs of antennae Signup and view all the answers

How do crustaceans obtain nutrients?

Some crustaceans are filter feeders, while others are active predators. Few crustaceans scavenge nutrients from detritus. Signup and view all the answers

What is the reproductive method of crustaceans?

Sexual reproduction is common, but parthenogenesis occurs among branchiopods and certain ostracods. Sexes are usually separate except for the sessile cirripedes, some parasitic isopods and few decapods are hermaphroditic. Signup and view all the answers

Where do most crustaceans live?

Most crustaceans are aquatic, living in either marine or freshwater environments. However, a few groups have adapted to life on land, such as terrestrial crabs, and terrestrial hermit crabs. Signup and view all the answers

Study Notes

Body Structure

Crustaceans have a body divided into two main parts: the cephalothorax (head and thorax) and the abdomen.
They have a tough outer shell called an exoskeleton that provides protection and support.

Eyes

Crustaceans have compound eyes that are made up of many small lenses, giving them excellent vision.

Reproduction

Most crustaceans reproduce sexually, with males transferring sperm to females during mating.

Examples of Crustaceans

Examples of crustaceans include crabs, lobsters, shrimp, crayfish, and krill.

Habitat

Most crustaceans live in water, with some species found in freshwater and others in saltwater.
Some crustaceans, such as woodlice and pill bugs, live on land.

Nutrition

Crustaceans obtain nutrients by filtering small particles from the water or by actively capturing prey.

Note: Since the questions were repetitive, the study notes focused on the main points, avoiding repetition.

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Description

Test your knowledge of marine science with this quiz on the kingdom Animalia, specifically focusing on the phylum Arthropoda and its subphylum Crustacea. Explore the diverse world of crustaceans, including crabs, lobsters, shrimps, and more. Ideal for students of marine science and anyone interested in marine life.