Which of the following statements is true?

Which of the following did Linnaeus use to name organisms?

The classification level that includes the least number of organisms is

The purpose of a dichotomous key is

Instead of eating, yeasts take in nutrients from their surroundings. They are classified as

All ____ are multicellular eukaryotes that make their own food.

Microscopes and other advances in technology have allowed scientists to observe that there are three fundamentally different types of cells. Scientists have used this information to group the six kingdoms into.

Scientists classify jaguars, ocelots, and lynx in the same family based on the animals’

____ helps people communicate about organisms.

Any type of feature that can be used to tell two species apart is called a

A group of species that share similar traits is

Which of the following is the correct way to write the scientific name of the briar rose?

Which of the following statements about a dichotomous key is true?

If evidence showed that an organism fit into a different genus than scientists had thought, the organisms’ ____ would change.

____ are multicellular eukaryotes that get their food by eating other organisms.

How many kingdoms do modern scientists use in their classification system?

The domain that includes unicellular organisms that can survive in extreme environments is called

If two organisms share the same trait, then taxonomists

Even if a scientist is unfamiliar with a caracal, its classification in the genus Felis would help him or her know many of its

The more closely related two organisms are,

Which of the following is the correct order of levels in the classification system?

Which of the following organisms is most closely related to Chameleo gracillis?

According to some scientists, which of the following kingdoms should be split into several kingdoms, because the organisms in it are so varied?

Every question in a dichotomous key has

Which of the following statements is true?

Unicellular organisms that do not have a nucleus and can cause human diseases are

After comparing the DNA of the red panda and the giant panda, scientists discovered that the red panda was more closely related to the raccoon and that the giant panda was more closely related to the bear. This discovery led scientists to change the animals’

Select the term that best completes the statement. The process in which scientists arrange organisms into groups based on similarities is called _________________.

Select the term that best completes the statement. When scientists have arranged organisms into groups, they give the organisms names. This science is called _________________.

To determine biological relationships, a taxonomist compares the ________________ of two different species.

Select the term that best completes the statement. ________________ are groups of organisms that share certain characteristics. Options: classification, evolution, genetic, physical, system, taxonomy, taxons, traits.

Select the term that best completes the statement. ________________ evidence may include characteristics such as color, size, and weight.

Select the term that best completes the statement. Scientists sometimes compare the DNA sequences of two organisms for similarities. This ________________ evidence proves that the organisms are closely related.

Explain how scientists may use physical and genetic evidence to determine how closely related two species of birds are.

Select the term that best completes the statement. A(n) ______ is a group of species with similar traits.

Select the term that best completes the statement. The system for naming species is called ______. Options: binomial nomenclature, family, genus, Linnaeus, order, organism, phylum, species.

Select the term that best completes the statement. A dichotomous key is a set of questions that helps scientists find the scientific name of a(n) ______. Options: binomial nomenclature, family, genus, Linnaeus, order, organism, phylum, species.

Select the term that best completes the statement. A(n) ______ is more specific than a kingdom, but less specific than a class. Options: binomial nomenclature, family, genus, Linnaeus, order, organism, phylum, species.

Select the term that best completes the statement. ______ invented the system that scientists use to name species.

Select the term that best completes the statement. ______ is the most specific level in the classification system.

What levels of classification do each of the names in binomial nomenclature represent? Which two plants from the list below are most closely related? Explain your answer. Hippuris vulgaris, Phaseolus vulgaris, Phaseolus lunatus.

I'm the kingdom that contains organisms similar to bacteria.

I'm a group of species that have similar characteristics.

I'm the arrangement of kingdoms into larger groups.

I'm the kingdom that includes organisms—either unicellular or with a simple multicellular structure—that don't fit easily into animals, plants, or fungi.

I'm the system for naming species developed by Linnaeus.

I'm the kingdom that contains unicellular organisms with no nucleus.

I'm the kingdom that includes plants such as trees, grass, and moss.

I'm the science of naming and classifying organisms.

I ask a series of questions that can be answered in only two ways.

I'm the kingdom that includes mushrooms, molds, and yeasts.

I'm the process of arranging organisms into groups based on similarities.

I'm the kingdom that includes animals, from lions and tigers to bugs.

whales, sharks, humans, bears, dogs, fish.

Eukarya—contains the kingdoms Protista, Fungi, Plantae, and Animalia.

can cause human disease and spoil food, but some are helpful.

fur, feathers, scales, sharp fangs, bone structure, size.

Your answer to each question leads you to another question with only two choices. Helps you identify species.

giant kelp, seaweed, many live in pond water or sea water.

oak tree, corn, sequoia tree, prairie grass.

two names, such as Aubrieta gracilis, Chameleo gracilis, Rosa canina. Scientific name consisting of genus and species.

The process through which species develop new traits is called

The first organisms to live on land were

Evidence of past species, and how they changed over time, can be found in

Scientists believe that bats, lizards, and manatees share a common ancestor because they

Birds that we see today come in a variety of shapes and sizes because of

Out of the thousands of eggs a female salmon lays, only several dozen will reach adulthood. This is an example of

The fossil record shows that organisms have evolved over the last

Darwin found many new species of finches on the Galápagos Islands because

According to Darwin’s theory of natural selection,

Select the term that best completes the statement. Scientists have arranged kingdoms into larger groups called _________________. Options: Animalia, Archaea, Bacteria, domains, Fungi, Plantae, Protista, species.

Select the term that best completes the statement. More than 90 percent of the organisms in the kingdom ________________ are insects.

Select the term that best completes the statement. Unicellular organisms that can survive in extreme environments belong to the kingdom _________________.

Select the term that best completes the statement. Organisms, either unicellular or multicellular, that absorb their nutrients from their surroundings belong to the kingdom _________________.

Select the term that best completes the statement. Multicellular organisms that can make their own food belong to the kingdom _________________.

If scientists discovered a unicellular organism that has a nucleus, they would classify this organism in the kingdom _________________.

The three domains are:

Which of the following is an accurate description of the fiddler crab?

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger.

The student uses the dichotomous key below to identify it.

1. a) Abdomen segmented.............go to 2

b) Abdomen not segmented ......go to 4

2. a) Abdomen with tail....................go to 3

b) Abdomen without tail...............go to 5

3. a) Tail with stinger..........................Scorpion

b) Tail without stinger.....................Whip scorpion

4. a) Legs longer than body.............Daddy Long Legs

b) Legs not longer than body……….Wind scorpion

5. a) Covered with spines .......................Mite

b) Few spines.....................................Tick

Which letter in the picture has two pairs of wings?

Which of the paired statements could be used to tell the difference between the two insects using a dichotomous key?

Which shark is the picture of?

This is an example of

Why is genetic diversity important within a species?