Animal Biology Concepts Assessment

The video introduces animal classification, focusing on the nine main phyla. It explains common characteristics of animals, such as being multicellular, eukaryotic, and heterotrophic. The video details the nine main phyla: Porifera, Annelida, Nematoda, Platyhelminthes, Mollusca, Arthropoda, Echinodermata, Cnidaria, and Chordata, highlighting the distinction between invertebrates and vertebrates. The video concludes with a call to action to subscribe and share.

What is a common feature of all animals?

• They have chloroplasts.

• They are unicellular.

• They are producers.

• They are made of eukaryotic cells.

Which protein do animals use to connect cell tissues?

• Actin

• Keratin

• Collagen

• Elastin

Which of the following is NOT a characteristic of animals?

• They are multicellular.

• They are autotrophs.

• They develop from an embryo.

• They are consumers.

What does it mean for an animal to be diploid?

• It has three sets of chromosomes.

• It has two sets of chromosomes.

• It has one set of chromosomes.

• It has no chromosomes.

Which phylum includes earthworms and leeches?

• Porifera

• Annelida

• Nematoda

• Platyhelminthes

Which phylum is known for having jointed external skeletons?

• Mollusca

• Echinodermata

• Arthropoda

• Cnidaria

Which phylum includes sea stars and sea urchins?

• Cnidaria

• Echinodermata

• Chordata

• Mollusca

Which of the following is an example of a chordate?

• Jellyfish

• Sea star

• Fish

• Earthworm

What distinguishes chordates from other phyla?

• They are unicellular.

• They have an exoskeleton.

• They are invertebrates.

• They have a backbone.