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Test your basic knowledge |
CSET Multiple Subject: Life Science
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Study First
Subjects
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cset
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science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is a genotype?
2. How do mammals reproduce?
Body temperature (internal or external)
Offspring are exact copies of the parent; lacks diversity - respond to changes in the environment; if a change kills one of the offspring - it will probably kill them all
Sexually
Named for mammary glands; milk producing - have hair covering most of their bodies; helps keep heat in - have lungs - warm - blooded; body temperature that stays the same - young develops inside their mother (except animal species kangaroos and oposs
3. What do organisms need?
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity
Not photo doesn't need light; asexual
A non symbiotic relationship in which a predator hunts prey
4. Gymnosperms
5. Decomposer
Organisms live in close interaction with one another
RNA translate creating proteins
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
6. What is a phenotype?
What an organism looks like as a result of its genes
Bone marrow
Selectively permeable - lets things in and out
Long tube that connects the mouth and the stomach
7. What are the three parts of the brain?
Long tube that connects the mouth and the stomach
Water; the most important factor in determining the distribution of plant life
Cerebrum - cerebellum - brain stem
Outside the cell membrane and hold structure
8. Disadvantage to asexual reproduction
Pumping blood to all the tissues of the body
Offspring are exact copies of the parent; lacks diversity - respond to changes in the environment; if a change kills one of the offspring - it will probably kill them all
Named for mammary glands; milk producing - have hair covering most of their bodies; helps keep heat in - have lungs - warm - blooded; body temperature that stays the same - young develops inside their mother (except animal species kangaroos and oposs
Only mammals that lay eggs
9. What makes up a plant cell that's diffenerent than an animal cell?
RNA translate creating proteins
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
How we react
Vacuole - chloroplast - cell wall
10. Where are red and white bloods formed?
Body temperature (internal or external)
Bone marrow
Brain of the cell - DNA blueprint
Powerhouses of the cell
11. What is natural selection?
Lies beneath the cerebrum and controls balance; helps muscles work together
Explains how evolution occurs - the process by which organisms best suited to the environment survive - reproduce - and pass their genes to the next generation - ex. snakes that have a specialized upper tooth to cut their way out of their shell; thus
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Selectively permeable - lets things in and out
12. Tertiary consumer
Eats secondary consumer ex. hawk
Prophase - metaphase - anaphase - and telephase
Lies under the cerebellum; connects the brain and spinal cord. Controls the automatic activities of the body (heart rate - gland secretions - digestion - resptration - and circulation
What an organism looks like as a result of its genes
13. Photosynthesis
Chemical plants use to absorb solar energy - it's stored in chloroplasts
Eats the producer ex. rabbit
Process by which a cell captures the energy in sunlight and uses it to make food
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
14. What is the digestive system responsible for?
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
A testable explanation of a question or problem
Way of using energy
Breaking down and absorbing food
15. Large intestines
removes water from undigested material - returning the water to the body
Brain - spinal cord - and other nerves
Number of organelles
Pumping blood to all the tissues of the body
16. Advantages and disadvantages of sexual reproduction?
Different shapes and sizes of their beaks; eating insects vs eating seeds
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Prophase - metaphase - anaphase - and telephase
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
17. What is mutualism?
An explanation that has undergone many tests; many different kinds of evidence dupport a scientific theory; no evidence can contradict - or disagree with - the explanation
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
Sexual and asexual
Both members benefit (mutual benefit)
18. What do red blood cells do?
Transport hemoglobin - oxygen - food supply
Prophase - metaphase - anaphase - and telephase
Fight disease
Not photo doesn't need light; asexual
19. What are the 5 steps in Photosynthesis?
Transport hemoglobin - oxygen - food supply
Passing of traits from parents to their offspring
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
1) Transporting water and nutrients 2) Light energy from the sun 3) Carbon dioxide from the air 4) Back to the transport system 5) From plant food to your table
20. Algae
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Prophase - metaphase - anaphase - and telephase
Cell starts to split
Oldest organism; asexual
21. What are the ribosomes?
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
RNA translate creating proteins
Both members benefit (mutual benefit)
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
22. Darwin's theory of natural selection summarized
How we adapt to our environment
A model used to represent crosses between organisms
Organisms tend to produce more offspring than can survive. ex. fish lay thousands of eggs - but only a few live to be adult fish. Individuals in a population have slight variations. ex. fish in a population differ slightly in color - length - fin siz
Organisms live in close interaction with one another
23. What are the factors affecting plant growth?
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Gravity - a plant seed is planted in the soil (total darkness) but because of geotropism (response to gravity) the stem goes upwards and the roots downward Light - phototropism (responding to light) Stress - an external factor (frost - stepped on
Way of using energy
Both members benefit (mutual benefit)
24. Rectum
Lies under the cerebellum; connects the brain and spinal cord. Controls the automatic activities of the body (heart rate - gland secretions - digestion - resptration - and circulation
Lower part of the large intestines where feces is stored
A blood vessel that takes carries blood away from the heart
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
25. Salivary glands
An organism's combination of genes for a trait
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature
beginning stage of digestion - coats the food
gets energy directly from the sun ex. green plants - grass - trees
26. Primary consumer
Breaking down and absorbing food
Organisms live in close interaction with one another
Eats the producer ex. rabbit
A model used to represent crosses between organisms
27. What are the stages of cell division?
Prophase - metaphase - anaphase - and telephase
Large storage container fluid
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
How we react
28. Life cycle of a frog
29. What is a scientific theory?
How we react
Complete metamorphosis - changes in form during development in which earlier stages do not look like the adult. Stage 1: butterfly egg hatches into a caterpillar Stage 2: caterpillar feeds on leaves - molting several times as it grows Stage 3: when a
An explanation that has undergone many tests; many different kinds of evidence dupport a scientific theory; no evidence can contradict - or disagree with - the explanation
Fight disease
30. What is the chloroplast?
31. What is adaptation?
How we adapt to our environment
A model used to represent crosses between organisms
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Largest part of the brain; controls the way we think - learn - remember - and feel. Controls muscles that let you move body parts - interprets messages from the sense organs. It's divided into two halves; left controls activities on the right side of
32. What is a symbolic relationship between organisms?
Asexual and sexual
beginning stage of digestion - coats the food
Not photo doesn't need light; asexual
Organisms live in close interaction with one another
33. How does blood circulate?
The right atrium receives blood from the rest of the body - The blood moves into the right ventricle - The right ventricle pumps the blood to the lungs - In the lungs - the blood is filled with oxygen and carbon dioxide leaves the the blood and is ex
Large storage container fluid
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Everything in the membrane
34. cerebellum
How we adapt to our environment
beginning stage of digestion - coats the food
Outside the cell membrane and hold structure
Lies beneath the cerebrum and controls balance; helps muscles work together
35. What are veins?
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
A model used to represent crosses between organisms
Animals and plants take in oxygen and use it to reverse the chemical reaction to photosynthesis - breaking down carbohydrates and releasing energy stored in their chemical bonds
A blood vessel that carries blood to the heart
36. Gregor Mendel
Both members benefit (mutual benefit)
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
A sex cell - such as sperm or egg
Eats secondary consumer ex. hawk
37. What supports Darwin's theory of evolution?
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
Not photo doesn't need light; asexual
How we react
Pumping blood to all the tissues of the body
38. DNA
Genetic material lines up spindile starts to grow
Eats the primary producer ex. snake
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
Vacuole - chloroplast - cell wall
39. What is metabolism?
Sexual and asexual
Everything in the membrane
Way of using energy
A model used to represent crosses between organisms
40. Ferns
Eats secondary consumer ex. hawk
A non symbiotic relationship in which a predator hunts prey
Sexual and asexual
Lies beneath the cerebrum and controls balance; helps muscles work together
41. What happens in the telephase?
Complete metamorphosis - it's an amphbian (double life) Stage 1: egg hatches Stage 2: tadpole (looks like a fish) has a tail and no legs; breathes through gills (aquatic) Stage 3: grows legs - loses its gills and tails; starts breathing through nost
Genetic material lines up spindile starts to grow
Cutting action complete now - 2 cells are created
How we react
42. Angiosperms
Long tube that connects the mouth and the stomach
Flowering plants; sexual (female pistol and male stamen)
Eats secondary consumer ex. hawk
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
43. What is a hypothesis?
Vacuole - chloroplast - cell wall
Not photo doesn't need light; asexual
A testable explanation of a question or problem
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
44. What is a recessive gene?
A gene that is hidden by a dominant gene
Lies under the cerebellum; connects the brain and spinal cord. Controls the automatic activities of the body (heart rate - gland secretions - digestion - resptration - and circulation
One member benifits and one is harmed ex. tape worm living in an animal's intestines - the animal is harmed - but the tape worm benifit because it gets food in the intestines
A blood vessel that carries blood to the heart
45. Mammals
Animals and plants take in oxygen and use it to reverse the chemical reaction to photosynthesis - breaking down carbohydrates and releasing energy stored in their chemical bonds
Only mammals that lay eggs
Long tube that connects the mouth and the stomach
Named for mammary glands; milk producing - have hair covering most of their bodies; helps keep heat in - have lungs - warm - blooded; body temperature that stays the same - young develops inside their mother (except animal species kangaroos and oposs
46. What are the two ways of reproduction?
Asexual and sexual
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
Fight disease
Process by which a cell captures the energy in sunlight and uses it to make food
47. What is response to stimuli?
How we react
Flowering plants; sexual (female pistol and male stamen)
Cell starts to split
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
48. System of classification?
Sexually
An organism's combination of genes for a trait
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
Fight disease
49. What is descent with modification?
A gene that is hidden by a dominant gene
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Organisms tend to produce more offspring than can survive. ex. fish lay thousands of eggs - but only a few live to be adult fish. Individuals in a population have slight variations. ex. fish in a population differ slightly in color - length - fin siz
50. What happens in prophase?
Sexually
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
The cell duplicates
Organisms tend to produce more offspring than can survive. ex. fish lay thousands of eggs - but only a few live to be adult fish. Individuals in a population have slight variations. ex. fish in a population differ slightly in color - length - fin siz