SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Honors Freshman Science
Start Test
Study First
Subject
:
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. The change in species composition produced at ecotones
pyrimidine
intrauterine device (IUD)
character displacement
edge effect
2. A group of the populations of all the different species in an area
base substitution mutation
interphase
comminity
K selection populations
3. The role of an organism within the structure and function of a community & takes into account all biotic and abiotic aspects of the species & as well as all the physical & chemical & and biological factors that it needs to survive & its habitat & wha
niche
microtubule
dispersion
artificial selection
4. CAT
3' end
age structure
the signal to start bringing amino acids
pistil
5. A protein channel that lets things in and out of the cell
sign stimulus
maltose
LH
permease
6. A periodic long-distance travel from one location to another
edge effect
migration
stabilizing selection
punctuated equilibrium
7. Produce estrogen and progesterone
hydrocarbon
circadian rhythms
diaphragm
ovaries
8. Completes the preparation of the endometrium for pregnancy
progesterone
granum
cyclin
population
9. A lipid that consists of a clycerol molecule attached at one end to two fatty acids & and at the other end to a phosphate group linked to an organic compound
gibberellin
navigation
phospholipid
primary structure
10. A grid that shows the possible combinations of alleles
oscillate
diploid
cytokinin
Punnett square
11. A mating system in which a male mates with only one female during a breeding season
endosymbiotic theory
monogamy
type 3 survivorship cure
niche
12. Going from areas of high concentration to low concentration & going with the concentration gradient
complementary
parthenogenesis
passive transport
tropical rainforest
13. All the alleles present in the population
ecotone
posterior pituitary
gene poll
chitin
14. The amount of energy that remains in plant tissues after cellular respiration & the amount of biomass found in excess of that broken down by a plant's cellular respiration for normal daily activities
nocturnal
net primary productivity
recombination
5' end
15. Stimulates contraction & prostaglandin release & and ejection of milk
oxytocin
crossing over
gene flow
centromere
16. Reproductive successfulness
sodium potassium pump
iteroparous
Mullerian mimicry
fitness
17. A phospholipid bilayer in which the layers are oriented towards each other and there are proteins on the outside of and in between the layers
ester linkage
fluid mosaic model
Boysen-Jensen
triaclyglycerol molecule
18. When females select their mates on the basis of some physical trait or some resource offered by the winning suitor
sodium potassium pump
sympatric speciation
community stability
intersexual selection
19. A parasite that lives inside the host
endoparasite
natality
biomass
cyclin
20. Transmits hereditary information and determines what proteins a cell manufactures
nucleic acid
DNA polymerase III
corpus luteum
producers
21. Provides food for the developing embryo in a land egg
cristae
meiosis 2
yoke sac
gametic isolation
22. Speciation that occurs when one population becomes geographically separated from the rest of the species and subsequently evolves by natural selection/genetic drift
cell theory
K selection populations
allopatric speciation
endoparasite
23. The study of heredity
centriole
endocytosis
genetics
secondary structure
24. Provides genetic variation through recombination
sexual reproduction
parthenogenesis
intrinsic rate of increase
exponential population growth
25. Any environmental factor that affects the size of a population but isn't influences by changes in population density & usually abiotic factors
DNA ligase
density independent factor
sepal
cellulose
26. All of the contents of the cell inside the membrane
embryo
nastic response
genetic code
cytoplasm
27. The complex formed when the enzyme and substrate combine
antiparallel
contact inhibition
ES complex
ovary
28. New genetically identical 'self' grows on the side and then breaks off
budding
density independent factor
density dependent factor
LH
29. Produces semen (1)
gene
seminiferous tubules
seminicle vesical
edge effect
30. A graph that indicates the energy content of the biomass of each trophic level
placenta
fundamental niche
pyramid of energy
unsaturated fatty acid
31. Animal starch & used for energy storage
spherical
lysosome
glycogen
land egg
32. Plants & make their own food & lowest trophic level
navigation
producers
chitin
steroid
33. Stimulates the interstitial cells to secrete testosterone in males & stimulates ovulation and the development of the corpus luteum in females
LH
Law of Segregation
rhythm method
endocytosis
34. Stalk of the stamen
competition
acid growth hypothesis of elongation
filament
nitrogen cycle
35. Species that show repetitive reproductive cycles
intraspecific competition
iteroparous
glycolipid
meiosis 1
36. Capillary bed that is adjacent to the capillaries of the uterine lining & exchanges everything except for blood
climax community
heterozygous
community
placenta
37. More cells
growth from cell division
coevolution
turgor pressure
genetic equilibrium
38. Contains multiple monosacharides bonded together & consists of repeating units of simple sugars
polysaccharide
self fertilization
apical meristem
cell elongation
39. States that species richness is greatest at moderate levels of disturbance & so all the different species are at different stages in succession
disruptive selection
energy flow
prostate
intermediate disturbance hypothesis
40. Oscillation between two things that affect the population & keeps the population in check
recombination
negative feedback
flagella
oviduct
41. Plastic cap over the cervix
protein
diaphragm
human demographics
intrinsic rate of increase
42. The probability of survivorship doesn't change with age
survivorship curve
oscillate
type 2 survivorship curve
primary succession
43. The contribution that each parent makes in producing and rearing offspring
parental investment
isotonic
mRNA
interphase
44. Breaking apart water
recombination
hydrolysis reaction
oviduct
endosymbiotic theory
45. The role of an organism within the structure and function of a community & takes into account all biotic and abiotic aspects of the species & as well as all the physical & chemical & and biological factors that it needs to survive & its habitat & wha
tundra
niche
photoperiodism
M phase
46. When an original part of the double helix is put together with a new strand & and the same is done with the other part of the original
semiconservative replication
DNA replication
biome
spermatid
47. Connects the baby to the placenta
microsporocyte
umbilical cord
ecotone
GnRH
48. Larger cells
promoter codon
cell elongation
mitochondria
Thomas Malthus
49. Used for long term energy storage & cell membranes & padding and insulation & and steroids & soluble in nonpolar solvents and relatively insoluble in water
disaccharide
placenta
lipid
ecotone
50. Both extremes are better than average
ER lumen
epistasis
fundamental niche
disruptive selection