Question | Answer |
Scientists classify organisms based on their ______________. | Characteristics |
What kingdom did scientists add to create a classification for organisms that had characteristics of both plants and animals? | Protista |
What are single-celled organisms that do not have a nucleus? | Prokaryotes |
What are organisms whose cells have a nucleus and membrane-bound organelles? | Eukaryotes |
Molds and mushrooms are examples of which kingdom? | Fungi |
In order for plants to make their own food through photosynthesis, they must be exposed to _____________________. | sunlight |
What are two ways plants are used by other organisms? | Plants make food and provide a habitat for organisms. |
Name 4 characteristics that members of the Kingdom Plantae have in common? | Plants are green, multicellular, have cell walls, and make their own food using the sun's energy. |
Why do animals depend on bacteria and fungi? | To recycle nutrients found in dead organisms. |
What is the science of describing, classifying, and naming organisms? | Taxonomy |
Where does the scientific name for organisms comes from? | Genus and species |
Why did scientists find it necessary to add new domains and kingdoms? | They discovered new organisms. |
Before the 1600s, scientists divided organisms into what two groups? | plants and animals |
The scientific name for the European white waterlily is Nymphaea alba. To which species does this plant belong? | alba |
The simple, single-celled organisms that live in your intestines are classified in what kingdom? | Bacteria |
What kind of organism thrives in hot springs and other extreme environments? | Archaebacteria |
True/False. A bacterium is a type of prokaryote. | True (because it does not have a nucleus) |
What is the division of organisms into groups, or classes, based on specific characteristics? | Classification |
What is an aid that is used to identify organisms that consists of a series of paired, descriptive statements? | A dichotomous key |
How does classifying living things help humans? | It helps humans make sense of the world. |
When are organisms thought to be closely related? | When they have many characteristics in common. |
How many levels of classification are in the modern system? | 8 |
Why are the platypus, brown bear, lion, and house cat thought to be related to each other? | They have hair and mammary glands. |
What Swedish scientist created the first organized, modern taxonomy? | Carolus Linnaeus |
Each domain of organisms is divided into several _________________. | kingdoms |
What is the smallest, most specific classification level? | species |
In the scientific name, Elephas maximus, the word Elephas indicates the animal's ____________. | Genus |
All genus names begin with a ____________ letter. | Capital |
All specific names (species) begin with a _______________ letter. | lowercase |
In order from largest to smallest, what are the eight levels of classification? | Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species |
What is a group or organisms that are closely related and can mate to produce fertile offspring called? | Species |
No matter how many common names an organism might have, it only has one _____________________. | scientific name |
What do scientists do when a newly discovered organism does not fit any existing category? | Scientists create a new category. |
True/False. Of all the organisms on the Earth, all have been discovered and classified. | False |
What can you find by working through the statements in a dichotomous key? | The identity of an organism |
What kingdom is made up of prokaryotes that can live in extreme environments? | Archaeabacteria |
What domain is made up of prokaryotes that live in soil, water, and in the human body? | Bacteria |
What kingdom are made up of complex, multicellular organisms that lack cell walls, can usually move around, and respond quickly to their environment? | Animalia |
What kingdom consists of complex, multicellular organisms that are usually green, have cell walls, and use the sun's energy to make sugar by photosynthesis? | Plantae |
What kingdom are made up of mostly single-celled or simple multicellular organisms? | Protista |
What kingdom is made up of nongreen, eukaryotic organisms that do not move and that reproduce by spores? | Fungi |
How many kingdoms of bacteria are there today? | Two |
Before the discovery of organisms like Algae, how were all organisms classified? | As plants or animals |
What kingdom did scientists add to create a classification for organisms that had characteristics of both plants and animals? | Protista |
What kingdom is Algae classified in? | Protista |
Which kingdoms are unicellular prokaryotes? | Archaebacteria/ Eubacteria |
Which kingdoms consist of both unicellular and multicellular organisms? | Protists and Fungi |
Which kingdoms are eukaryotic? | Protists, Fungi, Plants, and Animals |
Which kingdom consist of only multicellular, eukaryotic heterotrophs? | Animal |
Which kingdom consist of only multicellular, eukaryotic autotrophs? | Plant |
Which kingdom has plant-like, animal-like, and fungus-like organisms? | Protist |
What is the main source of energy for most plants? | The sun |
Which kingdom includes only multicellular heterotrophs? | Animal |
What 3 characteristics are used to place organisms into kingdoms? | Type of Cell
Ability to make food
Number of body cells |
What are organisms that make their own food? | Autotrophs |
Who created the system of classification we use today... the Father of Modern Classification? | Linneaus |
Which kingdom does not have organisms that have a cell wall? | Animal |
Which organisms can not make their own food? | Heterotrophs |