A cnidocyte is a specialized stinging cell found in cnidarians.

A cnidocyte is a type of coral reef.

A cnidocyte is a muscle cell in fish.

A cnidocyte is a type of jellyfish.

A blind gut is a closed-ended pouch in the digestive system.

A blind gut is a section of the respiratory system.

A blind gut is an organ that filters blood.

A blind gut is a type of digestive enzyme.

What kind of symmetry do echinoderm lava display?

Bilateral symmetry in larvae, radial symmetry in adults.

No symmetry in both larvae and adults.

Bilateral symmetry in both larvae and adults.

Radial symmetry in larvae, bilateral symmetry in adults.

Tube feet are small, flexible appendages used by echinoderms for movement and feeding.

Tube feet are used by fish for swimming.

Tube feet are rigid structures found in mammals.

Tube feet are sensory organs in insects.

What is an exoskeleton?

An exoskeleton is a hard outer structure that supports and protects an organism.

A fluid-filled sac that provides buoyancy.

A type of muscle that helps in movement.

A soft inner layer that cushions the organism.

What are the 3 main groups of arthropods?

Insects, Arachnids, Crustaceans

Mollusks, echinoderms, annelids

Annelids, arachnids, crustacean

what does the term arthropod mean?

An aquatic animal with gills and fins.

A term used for all mammals and birds.

A type of vertebrate animal with a backbone.

What is a role of leeches in medicine today?

Leeches are used in medicine for blood flow in skin grafts

Leeches are primarily used for cosmetic skin treatments.

Leeches are used to enhance athletic performance.

Leeches are employed in surgical procedures to remove tumors.

Leeches produce hirudin when feeding. What is this?

Hirudin is an anticoagulant produced by leeches.

Hirudin is a digestive enzyme produced by leeches.

Hirudin is a type of blood cell found in leeches.

Hirudin is a type of leech species.

Leeches are hermaphrodites. What does this mean?

Leeches have both male and female reproductive organs.

Leeches have separate male and female individuals.

Leeches only have female reproductive organs.

Leeches reproduce asexually without any organs.

Why do clams take so long to come back when overfished?

slow growth rates and long reproductive cycles.

Clams thrive in polluted waters, speeding up their recovery.

Clams are unaffected by overfishing and return immediately.

Clams can regenerate quickly due to their high reproductive rates.

How can you avoid getting tapeworms?

Practice good hygiene and ensure food is properly cooked.

Avoid washing hands after using the restroom.

Store food at room temperature for long periods.

why don' tapeworms need a digestive system?

they absorb nutrients directly from their host.

Tapeworms produce their own nutrients through photosynthesis.

Tapeworms eat solid food like other animals.

Tapeworms have a complex digestive system to break down food.

what is an ectoparasite?

An ectoparasite is a parasite that lives on the exterior of a host organism.

A parasite that lives inside the host's body.

A parasite that only affects plants.

A type of symbiotic organism that benefits the host.

video tour of invertebrates Lesson

53 questions

Show all answers

1.

SLIDE QUESTION

30 sec • Ungraded

2.

SLIDE QUESTION

30 sec • Ungraded

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

The term echinoderm means (a) skin

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most diverse group of organisms on the planet?

Reptiles

Mammals

Birds

arthropods

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the waggle-dance and why do bees do it?

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the phylum name cnidarian mean?

The name 'cnidarian' means 'marine animal'.

The name 'cnidarian' means 'stinging cell' or stinging animal

The name 'cnidarian' means 'filter feeder'.

The name 'cnidarian' means 'soft-bodied creature'.

7.

OPEN ENDED QUESTION

3 mins • 1 pt

What did you learn from this video?

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video tour of invertebrates

53 questions

The term echinoderm means (a) skin

What is the most diverse group of organisms on the planet?

What is the waggle-dance and why do bees do it?

What does the phylum name cnidarian mean?

What did you learn from this video?

what does the term arthropod mean?

There are about (a) billion nematodes for every human alive on earth.

What are the 3 main groups of arthropods?

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