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Test your basic knowledge |
CSET Multiple Subject: Life Science
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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
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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. Duck - billed platypus and the spiny anteater
Brain of the cell - DNA blueprint
Only mammals that lay eggs
Eats the primary producer ex. snake
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
2. What is mitrochondria?
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
Powerhouses of the cell
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
How we react
3. Decomposer
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
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
An organism's combination of genes for a trait
Eats the primary producer ex. snake
4. How do mammals reproduce?
Sexually
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
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
Process by which a cell captures the energy in sunlight and uses it to make food
5. What are the stages of cell division?
Bone marrow
Eats the primary producer ex. snake
Prophase - metaphase - anaphase - and telephase
Selectively permeable - lets things in and out
6. Life cycle of a frog
7. What happens in the telephase?
Cutting action complete now - 2 cells are created
Sexual and asexual
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation
Vacuole - chloroplast - cell wall
8. What is a symbolic relationship between organisms?
Organisms live in close interaction with one another
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Way of using energy
Fight disease
9. What is commensalism?
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation
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
Absorbs the nutrients
Selectively permeable - lets things in and out
10. Rectum
Lower part of the large intestines where feces is stored
Powerhouses of the cell
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
11. What is gamete?
How we adapt to our environment
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
The gene that shows up
12. What is predation?
A non symbiotic relationship in which a predator hunts prey
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
Both members benefit (mutual benefit)
A blood vessel that carries blood to the heart
13. What is the digestive system responsible for?
Prophase - metaphase - anaphase - and telephase
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
Breaking down and absorbing food
Organisms live in close interaction with one another
14. What is the circulatory system responsible for?
The gene that shows up
Pumping blood to all the tissues of the body
A blood vessel that carries blood to the heart
Organisms live in close interaction with one another
15. Gregor Mendel
Cerebrum - cerebellum - brain stem
Mucus lining
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
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
16. What are veins?
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Absorbs the nutrients
A model used to represent crosses between organisms
A blood vessel that carries blood to the heart
17. What are the 7 major characteristics of life?
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Absorbs the nutrients
beginning stage of digestion - coats the food
18. Darwin's theory of natural selection summarized
Water; the most important factor in determining the distribution of plant life
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
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
19. What is the nucleus?
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
Sexual and asexual
Way of using energy
Brain of the cell - DNA blueprint
20. What happens in metaphase?
Genetic material lines up spindile starts to grow
Lower part of the large intestines where feces is stored
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
21. Salivary glands
beginning stage of digestion - coats the food
The gene that shows up
Sexually
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
22. What is metabolism?
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
Way of using energy
Cell starts to split
Not photo doesn't need light; asexual
23. What are animal cells comprised of?
Number of organelles
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
A testable explanation of a question or problem
A blood vessel that takes carries blood away from the heart
24. What determines the types of organisms an ecosystem can support?
The cell duplicates
Water; the most important factor in determining the distribution of plant life
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Body temperature (internal or external)
25. What is osmosis?
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
A gene that is hidden by a dominant gene
Process by which a cell captures the energy in sunlight and uses it to make food
Cutting action complete now - 2 cells are created
26. Disadvantage to asexual reproduction
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
Water; the most important factor in determining the distribution of plant life
How we adapt to our environment
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
27. Finches
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
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Different shapes and sizes of their beaks; eating insects vs eating seeds
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
28. What do red blood cells do?
Everything in the membrane
Transport hemoglobin - oxygen - food supply
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
Not photo doesn't need light; asexual
29. What is adaptation?
Different shapes and sizes of their beaks; eating insects vs eating seeds
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
How we adapt to our environment
Passing of traits from parents to their offspring
30. Secondary consumer
Fight disease
A gene that is hidden by a dominant gene
Breaking down and absorbing food
Eats the primary producer ex. snake
31. What are the 5 steps in Photosynthesis?
A blood vessel that carries blood to the heart
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
Genetic material lines up spindile starts to grow
Asexual and sexual
32. What is the cell membrane?
Water; the most important factor in determining the distribution of plant life
Prophase - metaphase - anaphase - and telephase
removes water from undigested material - returning the water to the body
Selectively permeable - lets things in and out
33. What are arteries?
How we react
Fight disease
Passing of traits from parents to their offspring
A blood vessel that takes carries blood away from the heart
34. Life cycle of a butterfly
Large storage container fluid
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Process by which a cell captures the energy in sunlight and uses it to make food
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
35. What is the chloroplast?
36. What happens in the anaphase?
Not photo doesn't need light; asexual
Cell starts to split
Eats the producer ex. rabbit
Number of organelles
37. What is a hypothesis?
Vacuole - chloroplast - cell wall
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
A testable explanation of a question or problem
Brain - spinal cord - and other nerves
38. DNA
RNA translate creating proteins
Brain of the cell - DNA blueprint
Genetic material lines up spindile starts to grow
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
39. What is a punnett square?
Cutting action complete now - 2 cells are created
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
How we react
A model used to represent crosses between organisms
40. What is descent with modification?
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
Eats the primary producer ex. snake
Mucus lining
Way of using energy
41. Advantages to asexual reproduction
42. What is a scientific theory?
Everything in the membrane
Outside the cell membrane and hold structure
Not photo doesn't need light; asexual
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
43. What is a genotype?
44. What is mitosis?
45. Algae
Oldest organism; asexual
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
Eats secondary consumer ex. hawk
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
46. 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
Sexual; cone barring seed that's fertilized
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
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
47. cerebrum
48. Fungi
49. Large intestines
Both members benefit (mutual benefit)
Oldest organism; asexual
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
removes water from undigested material - returning the water to the body
50. What is parasitism?