Select the correct answer from each drop-down menu. A biologist discovered a new organism and classified it as a mollusk after studying its characteristics. As a mollusk, the animal probably has:

• mantle

• a radula

• pores

• a nematocyst

• a segmented body

Select the correct answer. Which phylum includes animals that lack tissues?

• Cnidaria

• Porifera

• Platyhelminthes

• Arthropoda

• Chordata

Select the correct answer. Which animal has a single-loop circulation?

• human

• fish

• housefly

• earthworm

• octopus

Select all the correct answers. Which two animals are able to generate internal heat to maintain their body temperature in a cold environment?

• parrot

• snake

• frog

• dog

• crocodile

Select the correct answer from each drop-down menu. Choose the correct word to complete the sentences to explain the classification of organisms. In the mid-eighteenth century, Carl Linnaeus classified living organisms into ___ kingdoms. In modern times, biologists have created ___ domains as the highest taxonomic group.

• two, three

• three, two

• two, six

• six, three

What is the meaning of the word pseudopodia? Amoebae move and engulf food by using pseudopodia, which is Latin for ___.

• false

• feet

• hands

• arms

• legs

Select the correct answer. Which characteristic do protozoans Foraminiferans (Phylum Sarcodines) and coccolithophores (Phylum Haptophyta) have in common?

• They are the same length.

• They are both parasites.

• They are both extremophiles.

• They both develop calcium carbonate structures.

• They are the same size.

Select the correct answer. Which structures do paramecia use to move around?

• flagella

• cilia

• pseudopodia

• haptonema

• tentacles

Keith is creating notes on invertebrate animals. Help him finish the sentences. The invertebrates belong to the domain Eukarya because they possess a ​ ​ (a)   in each of their cells. They belong to the kingdom Animalia because their cells lack a cell ​ (b)   around them.

• ribosome

• mitochondrion

• wall
• membrane

• nucleus

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Type the correct answer in the box. Spell all words correctly. Which phylum forms a connection between the chordates and the nonchordates? The phylum ________ forms an evolutionary connection between the nonchordates and the chordates.

• Hemichordata

• Arthropoda

• Mollusca

• Annelida

Tags

NGSS.MS-LS4-2