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Woodruff-8th grade
Woodruff-8th grade test- Life Science
Question | Answer |
---|---|
____ are the basic unit of living things | cells |
Cells form tissues which form ____ which form systems which form _____. | organs, organisms |
Mitochondria of cells control _____. | respiration |
Controls what goes in and out of the cell | cell membrane |
Part of the cell that makes protein | ribosomes |
Only plant cells have ____ and ____. | cell wall and chloroplasts |
Chloroplasts contain _____ for photosynthesis | chlorophyll |
____ are nutrients are important for growth and repair | proteins |
Nutrients that provide quick energy | carbohydrates |
____ is the main source of energy for plants, animals and humans | sun |
Name three types of asexual reproduction | binary fission, budding and regeneration |
_____ is the life cycle of organisms such as the frog and butterfly | metamorphosis |
A _____ microscope uses two lenses to view small objects. | compound |
The (fine, coarse) knob moves the image into view | coarse |
The (coarse, fine) knob on the microscope brings the image into focus | fine |
A ____ is used to see clear objects in the field of view | stain |
Abnormal cell division | cancer |
_____ adaptations enable us to survive like birds having hollow bones or owls seeing at night | physical |
Changes in an organism's environment can cause them to become endangered or ____ | extinct |
Where living and nonliving organisms interact | ecosystem |
Organisms get ____ from the food they eat | energy |
Plants are (consumers, producers) | producers |
Herbivores eat ____ | plants |
Carnivores eat ____ | meat or animals |
Omnivores eat ____ and ____ | plants and animals |
The food pyramid shows energy being passed with the (least, most) energy on the bottom | most |
The three symbiotic relationships are mutualism, commensialism and _____. | parasitism |
_____ is when one community is replaced with another until a climax community is achieved. | ecological succession |
List four renewable resources | water, solar, wind and soil |
List four non-renewable resources | fossil fuels, coal, oil and gas |
How are living things classified? (King Philip came over from great Spain) | Kingdom, Phylum, Class, Order, Genus, Species |
Two types of cell division are ____ and ____. | sexual and asexual reproduction |
Cell division with the same number of chromosomes | mitosis |
Cell division with half the number of chromosomes | meiosis |
Embryo through cleavage and differentiation | zygote |
Name the female parts of the flower | pistil, stigma, style, and ovary |
Name the male parts of the flower | anther, filament, pollen, sperm |
flower pollinates another flower | cross-pollination |
Flower has both male and female parts | self-pollination |
When pollen fertilizes the egg | pollination |
Spreads the seeds by wind, animal and explosion. | seed dispersal |
When seeds being to grow | germination |
Determined by genetic material on your genes | trait |
Trait that is showing | dominant |
Trait that is not showing | recessive |
Shows probability that a trait is inherited | Punnet square |
______ causes natural selection, genetic engineering, mutations, and genetic | Evolution |
Process of removing the nucleus of an egg cell and replacing it with the nucleus of mother's skin cell and inserting it back into the uterus | Cloning |
______ system supports the body | Skeletal |
Joins bones to bones | Ligaments |
Joins bones to muscles | tendons |
Moves organs and body parts | muscular system |
Muscles you control | voluntary |
Muscles you don't control | involuntary |
______ system includes both nervous and endocrine systems | regulatory |
_____ system controls body activities | Nervous |
Nerve cells | neuron |
Contains brain, spinal cord, nerves, and sense organs | nervous system |
System that regulates body activities with hormones secreted by the glands | Endocrine system |
System that breaks down food | Digestive system |
System that contains the pancreas, liver, stomach, gall bladder, small intestine and large intestine | Digestive system |
System that consists of the heart and blood vessels and transports materials | Circulatory system |
Carry blood away from the heart | arteries |
Carry blood to the heart | veins |
Connect arteries to veins and the place where gas exchange occurs | Capillaries |
Which side of the heart gets the oxygenated blood? | left |
Describe the flow of blood through the heart | lungs to left atrium to valve to left ventricle to rest of body to right atrium to valve to right ventricle to lungs |
System that exchanges gases with the environment | Respiratory system |
Where does gas exchange take place in the lungs? | between the air sacs (alveoli) and capillaries |
System that removes waste from the body and contains the lungs, skin, and kidneys | Excretory system |
System that produces offspring | Reproductive |
Where fertilization takes place | oviduct |
Where the egg develops into an embryo | uterus |