CLASSIFICATION TEST REVIEW ('25)

You are looking at pond water under a microscope. You observe several organisms similar to the one in the picture. It has the following characteristics:

- Reproduces Asexually

- Is Unicellular

- Uses Pseudopods to move

- Contains a nucleus

Which of the following conclusions provides the best claim and reasoning as to which kingdom it belongs to?

• The organism is most likely a plant because it is unicellular.

• The organism is most likely an animal because it can move and is unicellular.

• The organism is most likely a protist because it has a nucleus and is unicellular.

• The organism is most likely a protist because it is multicellular.

An unknown specimen has the following characteristics:

- unable to move

- obtains energy from breaking down dead plant matter

- appears to be multicellular

- releases carbon dioxide as a waste product

Which statement BEST explains the kingdom this specimen belongs to?

• Fungi Kingdom - because the organism can move, obtains energy from dead plant matter, and is multicellular

• Fungi Kingdom - because the organism obtains energy from dead plant matter and is multicellular

• Plant Kingdom - because the organism cannot move, obtains energy from dead plant matter and is multicellular

• Plant Kingdom - because the organism obtains energy from dead plant matter and is multicellular

An unknown specimen has the following characteristics:

- It can perform photosynthesis.

- It is multicellular.

- It has a cell wall.

Which 3 kingdoms could it belong to?

• Fungi

• Plantae

• Animalia

• Bacteria

• Protista

Based on the organisms' names, what can we conclude about their relation to one another?

• They have the same genus in their name, so they are members of the same family, order, class, phylum, kingdom, and doman.

• They have the same genus in their name, so they are in the same species.

• They have the same genus in their name, so they are in the same family only.

Based on the Scientific Names of the 2 organisms below, what can you conclude?

Organism 1

Common name: Tiger 

Scientific name: Panthera tigris

Organism 2

Common name: Lion 

Scientific name: Panthera leo

• Since both organisms have the same Scientific Name, we know they are members of the same Genus.

• They are members of the same Genus

• Since both organisms have the same Genus in their Scientific Name, we know they are also members of the same Family and Order

• Since both organisms have the same Species in their Scientific Name, we know they are also members of the same Genus and Family

How did the invention of the microscope help scientists realize that Fungi should be taken out of the Plantae kingdom and put in its own Fungi kingdom?

• The microscope showed cells. Scientists saw that plants had much smaller cells than fungi; therefore, they had to be in different kingdoms.

• The microscope showed cells. Scientists saw that plant cells have a nucleus but fungi cells do not. However, both perform photosynthesis (both are autotrophs). Both PLANTS & FUNGI need sunlight to live.

• The microscope showed cells. Scientists saw plant cells have chloroplasts, but fungi cells do not. Plants perform photosynthesis...they are autotrophs. Fungi do not perform photosynthesis...they are heterotrophs (specifically decomposers). PLANTS need sunlight to live, but FUNGI do NOT need sunlight to live.

Which organism is more closely related to reptiles than to any other organism in the model?

• Amphibians

• Rodents

• Birds

• Fish

Linnaeus developed an early version of classifying living things by categorizing organisms as plants or animals. Why is this method not appropriate for what we know about life today?

• Model does not include how species interact with their environment

• The world has millions of different plants & animals

• Model does not account for species that aren't plants or animals

• Plants & animals have many different characteristics

Some organisms in this kingdom reproduce asexually by budding & spores. To which kingdom do they belong?

• Protista

• Fungi

What characteristic do all of the animals on the cladogram have in common?

• Retractable Claws

• Shearing Teeth

• Amniotic Egg

• Four Limbs