Mr Mac Life science and the charateristics of life
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are all living things called? | Organisms
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| What is a scientist called who studies living things? | Biologist
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| What is a scientist called who studies living things and their interaction with the environment? | Ecologist
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| What is a zoologist? | A scientist who works with and studies animals.
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| A scientist who studies how traits, genes and DNA are passed to offspring is called a... | geneticist.
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| A scientist who studies tiny, little organisms is a... | microbiologist.
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| Plant cells are different from animal cells because they have... | a boxlike shape, cell wall and chloroplasts and animal cells do not!
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| An organism that has offspring (children) who are genetically identical to themselves reproduces how? | Asexually
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| When an offspring is produced from 2 parents this is called... | sexual reproduction
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| Name the six characteristics of living things. | 1. It reproduces
2. It grows and develops
3. It responds to stimuli or its environment
4. It has DNA
5. It has cells
6. It uses food for energy
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| What are cells? | The basic unit of life.
Membrane covered structures that make up all living things.
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| Where is DNA found? | Usually in the nucleus of cells.
In all living things.
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| What is a double helix? | The shape in which DNA can be found.
It looks like a "twisted ladder".
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| Are things that were once alive called organisms? | Yes, even when something dies it is still an organism.
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| Name some other fields/branches of biology. | zoology, botany, microbiology, genetics, mycology, ornithology, cytology, virology, bacteriology, etc...
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| What is a unicellular organism? Give some examples. | An organism that is made of only one cell. Examples are some bacteria, amoebas and many plankton.
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| What is a multicellular organism? Give some examples. | An organism made of many specialized cells. Examples are all mammals and plants.
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| What are the 6 characteristics of living things we have discussed? | 1.Get and use food for energy 2.Reproduce 3.Made of cells 4.Respond to environment 5.Have DNA 6. Grow and develop
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| What are the 2 types of reproduction? | Asexual and sexual reproduction
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| Name ways plants respond to their environment/stimuli. | Grow and turn leaves towards sunlight, close blossoms at night, drop leaves in winter and some even sense and capture insects.
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| What is cell theory? | The cell is the basic unit of life and all organisms are made of cells.
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| Budding and regeneration are 2 types of which reproduction? | Asexual
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| What are advantages of asexual reproduction? | No time and energy used to find mate and easily repopulate an area with just 1 organism.
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| What is the main disadvantage with asexual reproduction? | A lack of genetic variation.
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MrMac
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