Principales Phyla de Invertebrados.

Question 1

What are invertebrates?

Answer 1

Invertebrates are animals that lack a backbone.

Question 2

True or False: Invertebrates make up the majority of animal species.

Answer 2

True

Question 3

Fill in the blank: The two main groups of animals in the animal kingdom are vertebrates and __________.

Answer 3

invertebrates

Question 4

Which phylum includes animals such as jellyfish and corals?

Answer 4

Cnidaria

Question 5

What is the primary characteristic that differentiates arthropods from other invertebrates?

Answer 5

Arthropods have an exoskeleton and jointed limbs.

Question 6

Multiple Choice: Which of the following is NOT an invertebrate? A) Octopus B) Shark C) Earthworm D) Spider

Answer 6

B) Shark

Question 7

Name the largest phylum of invertebrates.

Answer 7

Arthropoda

Question 8

True or False: All invertebrates are aquatic.

Answer 8

False

Question 9

What do mollusks typically have that distinguishes them from other invertebrates?

Answer 9

Mollusks typically have a soft body and may have a shell.

Question 10

Fill in the blank: __________ are invertebrates that have a segmented body and include species like earthworms and leeches.

Answer 10

Annelids

Question 11

Which invertebrate group is known for having a hard outer shell?

Answer 11

Mollusks

Question 12

Multiple Choice: Which of the following is an example of a cnidarian? A) Ant B) Starfish C) Sea anemone D) Snail

Answer 12

C) Sea anemone

Question 13

What is the main function of the exoskeleton in arthropods?

Answer 13

The exoskeleton provides protection and support.

Question 14

True or False: Echinoderms are exclusively marine invertebrates.

Answer 14

True

Question 15

Identify one characteristic of sponges.

Answer 15

Sponges have a porous body and lack true tissues.

Question 16

Fill in the blank: __________ are invertebrates that exhibit radial symmetry and include sea stars and sea cucumbers.

Answer 16

Echinoderms

Question 17

What is the role of cephalopods in their ecosystems?

Answer 17

Cephalopods are predators and play a key role in marine food webs.

Question 18

Multiple Choice: Which of the following is an example of an arthropod? A) Clam B) Spider C) Sea cucumber D) Jellyfish

Answer 18

B) Spider

Question 19

True or False: Invertebrates can reproduce both sexually and asexually.

Answer 19

True

Question 20

What habitat can you find invertebrates in?

Answer 20

Invertebrates can be found in marine, freshwater, and terrestrial habitats.

Question 21

Fill in the blank: __________ are known for their ability to regenerate lost body parts.

Answer 21

Echinoderms

Question 22

What is a common method of locomotion for many mollusks?

Answer 22

Many mollusks use a muscular foot for locomotion.

Question 23

Multiple Choice: Which of the following invertebrates has a closed circulatory system? A) Earthworm B) Jellyfish C) Starfish D) Sea sponge

Answer 23

A) Earthworm

Question 24

True or False: All invertebrates have complex nervous systems.

Answer 24

False

Question 25

What is the significance of invertebrates in ecosystems?

Answer 25

Invertebrates are crucial for pollination, decomposition, and serving as food for other animals.