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. One species excludes another from its niche as a result of interspecific competition
leading strand
migration
3' end
competitive exclusion principle
2. Any process that leads to new gene combinations
recombination
placenta
anther
biological magnification
3. Immature sperm cell
microevolution
survivorship curve
spermatid
greenhouse effect
4. Moving into unoccupied niches & causes speciation
adaptive radiation
tropical rainforest
genotype frequency
bacillus
5. Involves mitosis and cytokinesis
biogeochemical cycle
producers
angiosperm
M phase
6. Collects waste products in a land egg
type 2 survivorship curve
density dependent factor
secondary consumers
allontois
7. Fertile soil & all grass
grasslands
thigmotropism
heterotroph
CFCs
8. The arrival of the chromosomes at the poles and cytokinesis
phototropism
territoriality
telophase
population crash
9. A species that affects the community because it is very common
population ecology
competition
autotroph
dominant species
10. Species interacting in a positive way & Which modifies and enhances the local environment for other species
behavioral (sexual) isolation
facilitation
hydrocarbon
density independent factor
11. The constricted region in a chromatid
contact inhibition
cell elongation
centromere
ethylene
12. Warning coloration & conspicuous colors of patters which advertise a species' unpalatibility to potential predators
aposematic coloration
nocturnal
monogamy
S phase
13. One dominant and one recessive
aposematic coloration
heterozygous
desert
phytochrome
14. Male gamete released into the female
cryptic coloration
internal fertilization
termination sequence
exponential population growth
15. The global movement of phosphorus between the abiotic environment and organisms
phosphorus cycle
ovarian ligament
semelparous
species diversity
16. Aka chaparral & mixed scrub community with lower rainfall than in a deciduous forest
directional selection
temperate woodland
pinocytosis
haploid
17. Required for making a boy a boy and sexual growth
testosterone
intersexual selection
amino acid
edge effect
18. A gateway in the cell membrane that lets molecules through
budding
pair bonds
mechanical isolation
protein channel
19. Speciation that occurs when one population becomes geographically separated from the rest of the species and subsequently evolves by natural selection/genetic drift
phototropism
allopatric speciation
seminicle vesical
ovouiviporous
20. The number of individuals of a species per unit of area or volume at a given time
habituation
population density
hypertonic
resource partitioning
21. Found out that the hormone was being produced in the tip
taiga
allele frequency
water vacuole
Darwin
22. Reproductive isolation due to different mating times
intrauterine device (IUD)
parental investment
complementary
seasonal isolation
23. Aka temperate deciduous forest & broadleaf trees
macroevolution
temperate forest
CFCs
fundamental niche
24. Eggs laid and then fertilized
cooperative ion channel
external fertilization
estrogen
society
25. Going from areas of low to high concentration & goes against the concentration gradient & requires cell energy
active transport
phototropism
quaternary structure
lysis
26. Unfertilized egg develops into a reproducing haploid animal that is capable of reproducing using a different process to make gametes
endoparasite
bioaccumulation
behavioral (sexual) isolation
parthenogenesis
27. The ability to produce viable offspring
dominant species
species richness
condensation reaction
fecundity
28. The concentration is equal in both areas
habitat isolation
phototropism
isotonic
cognition
29. Aka boreal forest & big evergreen forests & cold most of the year
anticodon
oxytocin
behavior
taiga
30. An organic compound with 3-7 carbons with a hydroxyl (OH) group bonded to each but one & which is double bonded to an oxygen
condom
Beta human chorion gonadotropic
paritally hydrogenated
monosaccharide
31. Initial fertilized cell
stabilizing selection
zygote
ribosome
tubal ligation
32. Physically changing from sex when there aren't any of one sex
fat
migration
base substitution mutation
sex reversal
33. Stalk of the stamen
abiogenesis
oviduct
intrinsic rate of increase
filament
34. Aka temperate deciduous forest & broadleaf trees
disruptive selection
dispersion
contact inhibition
temperate forest
35. A species that affects the community because it is very common
allele
ecology
dominant species
secondary growth
36. Inhibits ovulation & affects the endometrium and cervical mucus to prevent implantation & regulates the menstrual cycle
oral contraceptive
spirillum
hydrophobic
tropic response
37. Has its own life support for the embryo
style
courtship ritual
tRNA
land egg
38. Provides genetic variation through recombination
sexual reproduction
fitness
dipeptide
lactose
39. Contains two monosaccharide rings joined by a ether link
human demographics
cilia
disaccharide
permease
40. The graph of the number of surviving individuals against age (birth to maximum age)
linked genes
cooperative ion channel
survivorship curve
protein
41. Same organism makes both gametes & no genetic recombination
adaptive radiation
intrinsic rate of increase
sodium potassium pump
self fertilization
42. Growth response to physical disturbance & positive or negative
G1 phase
facilitated diffusion
natality
thigmotropism
43. Cold & dry & permafrost & treeless & short growing season
centriole
dispersion
tundra
energy transduction
44. Same organism makes both gametes & no genetic recombination
environmental science
monogamy
food web
self fertilization
45. All the alleles present in the population
polar microtubules
gene poll
vagina
epistasis
46. A combination of natural selection and genetics
society
internal fertilization
complementary
modern synthesis
47. Used for reproductive purposes and peeing
interphase
heredity
urethra
niche
48. Quantitative estimate of the total mass & the amount of living material
circadian rhythms
microspore
biomass
monosaccharide
49. Covalently linking monomers
abiogenesis
condensation reaction
active transport
extinction
50. Holds the cell in place and gives it structure
follicle
endoparasite
hydrophobic
cytoskeleton