Unit 1 Recap

Which of the following lists the levels of taxonomy, from most specific to most general?

• Kingdom, domain, phylum, order, class, family, genus, species

• Species, genus, family, order, class, phylum, kingdom, domain

• Domain, kingdom, phylum, class, order, family, genus, species

• Domain, kingdom, family, class, order, phylum, genus, species

Which of the following do plants and animals have in common?

• both are heterotrophic

• both are motile

• both are unicellular

• both are eukaryotic

The classification of four plants is shown in the table. Which two trees are the most closely related?

• onion and tulip

• tulip and common sweet flag

• onion and foxtail agave

• common sweet flag and tulip

What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

Which statement is correct about the hierarchy of the taxonomic system currently used to classify organisms?

• All organisms of a given order belong to the same species.

• Many different classes of organisms belong to the same order.

• All organisms of a given phylum belong to the same kingdom.

• Many different families of organisms belong to the same genus.

Why would scientists want to use a taxonomic system that is standardised? (Choose the best answer)

• To avoid confusion when identifying organisms.

• Because Linnaeus established a system.

• So that Latin names can be used for a practical purpose.

• To place organisms in different groups.

You can distinguish a prokaryote apart from a nucleus by--

• The presence of a ribosome

• The presence of a cell membrane

• The presence of DNA

• The presence of a nuclear membrane

Which shark is the picture of?

• Cow Shark

• Great White Shark

• Hammerhead Shark

• Saw Shark

In order for evolution to occur, there must be a change in the-

• climate of the environment

• genes on an individual in the population

• genetic makeup of a population

• rate of mutations in the population

Select 2 answers. What does the fossil records tell us?

• Earth's history

• changing life forms

• age of the Earth

• Moom composition