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Science Chapter 1
Living Things test
| Question | Answer |
|---|---|
| Which domains include only prokaryotes? | Bacteria and Archaea |
| Which of the following is NOT a characteristic that all living things share? 1.a cellular organization 2.using energy 3.movement 4.reproduction | Movement |
| Which group of organisms includes only multicellular heterotrophs? | Animals |
| Which is the most abundant chemical found in living cells? | Water |
| To survive on Earth, the first cells needed the ability to... | use chemicals in their surroundings for energy |
| A change in an organism's surroundings that causes it to react is called... | a stimulus |
| The more classification levels that two organisms share, | the more characteristics they have in common |
| The source of energy for most autotrophs is... | the sun |
| An organism's scientific name consists of... | its genus name and its species name. |
| What is one way in which scientists get information about the evolutionary history of species? | By comparing organisms' body structures |
| Which of the following would you use to identify an organism? | a taxomonic key |
| Which of the following characteristics do all plants have? | being an autotroph |
| Spontaneous generation is a mistaken idea because living things... | are produced only by living things |
| One characteristic used to place organisms into kingdoms is... | their ability to make food |
| An organism that makes its own food is called an... | autotroph |
| What contribution of Charles Darwin had a major impact on classification? | His theory of evolution |
| Which of the following do all living things need to survive? | Water |
| Scientists hypothesize that the first life forms on Earth... | did not need oxygen to survive |
| Which is the broadest classification level? | Domain |
| The experiments of Redi and Pasteur helped to demonstrate that... | living things do not arise from nonliving material |
| The gradual change in species over time is called... | Evolution |
| Which kingdoms include both unicellular and multicellular organisms? | Fungi and Protists |
| Why do scientists organize living things into groups? | So that the organisms are easier to study |
| One basis for placing organisms into different domains is... | the chemical makeup of their cells |
| Taxomonic keys can be used to help determine the... | identity of organisms |
| What is taxonomy? | The scientific study of how living things are classified |
| Homeostasis refers to an organism's ability to... | maintain stable internal conditions |
| What is true about the experiment conducted by Miller and Urey? | The conditions of early Earth were recreated in a flask |
| Which classification level is broader than the kingdom level? | Domain |
| A plant grows toward the light. The plant's action is an example of... | a response |
| Homeostasis refers to an organism's ability to... | maintain stable internal conditions |
| Mushrooms, molds, and mildew are members of the ______ kingdom - true or false? | fungi |
| In the name Acer rubrum, the word rubrum designates the _______. | species |
| Hypotheses about the first forms of life on Earth are consistent with evidence obtained from _______ of organisms that lived about 3.5 billion years ago - true or false? | fossils |
| The scientific study of how organisms are classified is called ________________. | binomial nomenclature |
| Each genus of organisms is divided into _________. | species |
| __________ is the process of change that occurs during an organism's life to produce a more complex organism - true or false? | Development |
| In a controlled ____________t, a scientist carries out two tests that are identical in every respect except for one factor - true or false? | controlled experiment |
| Archaea and Bacteria are two domains of ___________. | prokaryotes |
| Alligators and crocodiles are classified in the same order and therefore probably have ____________ evolutionary histories - true or false? | very similar |
| A horse is a ______________. | heterotroph |
| The _____kingdom is the only kingdom of eukaryotes that contains both autotrophs and heterotrophs and both unicellular and multicellular organisms. | Protist |
| The first word in an organism's scientific name is its_____ | genus |
| Most of today's organisms could not have lived on Earth 3.6 billion years ago because there was no _____in the air then. | Oxygen |
| An organism reacts to a stimulus with a________ | response |
| The bones in the wing of a bat are similar to the bones in the flipper of a whale. This information suggests that bats and whales have a similar _____history. | evolutionary |
| A _____organism is a living thing that is composed of many cells. | multicellular |
| Each genus of organisms contains one or more______ | species |
| Archaea are not classified with ________, the other prokaryote domain, because they have different chemical makeups. | Bacteria |
| The process of grouping things based on similarities is called_________ | classification |
| An organism's ability to maintain stable internal conditions despite changes in its surroundings is called_________ | homeostasis |
| Scientists think that the first life forms on Earth probably were unicellular heterotrophs, did not need oxygen to survive, and lived in Earth's_________ | oceans |
| A __________consists of paired statements about the characteristics of different organisms. | taxomonic key |
| Biologists find______useful because this scientific study gives them much information about an organism based on its classification. | taxomony |
| Traces of ancient organisms that have been preserved in rock or other substances are known as______ | fossils |
| The modern system of classification is based on the theory of ______, which was first proposed by Charles Darwin. | evolution |
| An owl and a bat share the same kingdom and phylum; an owl and a robin share the same kingdom, phylum, and class. The owl and ______have more characteristics in common. | Robin |
| Organisms that make their own food are called________ | autotrophs |
| ________developed a naming system that grouped organisms on the basis of their observable features. | Linnaeus |
| In the modern classification system used by biologists, the broadest level of organization is called a __________ | domain |
| Multicellular organisms are found in the protist, fungi, animal, and ________ | plant |
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7thgrade