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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. Changes within a species that occur in relatively short periods of time that are the result of changes in the genetic composition of populations
adaptive radiation
pyramid of numbers
human demographics
microevolution
2. Fluid filled sac where the primary oocyte divides to form the secondary oocyte and the polar body
follicle
fluid mosaic model
G2 phase
edge effect
3. The proportion of a specific allele in a particular population
start codon
intrasexual selection
allele frequency
turgor pressure
4. The cycle that goes from oen organism to another in food chains and from living organisms to the abiotic environment and back
chitin
G1 phase
biogeochemical cycle
allele
5. A form of a gene
centromere
allele
concentration gradient
Mullerian mimicry
6. One species excludes another from its niche as a result of interspecific competition
mitosis
lactose
competitive exclusion principle
meiosis 1
7. Found out that the hormone was being produced in the tip
cryptic coloration
interbreeding
M phase
Darwin
8. All the alleles present in the population
equilibrium
gene poll
behavior ecology
spherical
9. A species that affects the community because it is very common
cytokinin
nucleotide
cooperative ion channel
dominant species
10. Fluid filled chamber that surrounds and protects the developing embryo in a land egg
genetic code
amnion
human demographics
endoparasite
11. An arm of an amoeba
pseudopod
population
DNA helicase
codon
12. An arm of an amoeba
pseudopod
fundamental niche
fecundity
translation
13. Emphasizes species individuality & shows how each species has its own abiotic living requirements
mutualism
individualistic model
cytokinesis
polar body
14. When the heterozygote has a phenotype intermediate between those of its two parents
phototropism
prophase
incomplete dominance
chitin
15. The layer that surrounds the cell and holds everything in
cell membrane
tRNA
interstitial cell
intrauterine device (IUD)
16. States that species richness is greatest at moderate levels of disturbance & so all the different species are at different stages in succession
population ecology
M phase
intermediate disturbance hypothesis
niche
17. The change in allelic frequencies of two or more populations over time & the interdependent evolution of two or more interacting species
stamen
coevolution
contact inhibition
decomposers
18. Gives live birth
glycoprotein
viviporous
ES complex
cellulose
19. The change in species composition over time in a habitat that was not previously inhabited by organisms (no soil)
community
Mullerian mimicry
primary succession
hermaphrodism
20. The process of community development over time & which involves species in one stage being replaced by other species
frameshift mutation
negative tropic response
follicle
succession
21. When a molecule attaches to the channel and the carrier 'somersaults' to the other side and releases the molecule & then returns to its original side
mobile carrier
negative tropic response
polar body
intersexual selection
22. A conservation approach that emphasizes restoring and maintaining the quality of an entire ecoystem rather than the conservation of individual species
ecosystem management
seminiferous tubules
behavior
sepal
23. Lining of the uterus
endometrium
ES complex
cilia
turgor pressure
24. Changes in the shape of a protein and the accompanying loss of its biological activity
telophase
denaturation
endometrium
codon
25. The lifestyle a species actually pursues and the resources it actually uses
external fertilization
nucleus
realized niche
phosphorus cycle
26. Contains enzymes that help with fertilization
nucleotide
biogeography
acrosome
cellulose
27. A type of social learning based on early experience which allows offspring to bond to their mother
imprinting
grasslands
biogenesis
endoparasite
28. All the alleles present in the population
autosome
spermatid
gene poll
paritally hydrogenated
29. The structure in the mitochondria
mRNA
culture
metaphase
cristae
30. Towards the stimulus
cytoplasm
allontois
autosome
positive tropic response
31. The time when no cell division in occurs
ecotone
adaptive radiation
plasmolysis
interphase
32. One species excludes another from its niche as a result of interspecific competition
cytokinesis
competitive exclusion principle
community structure and functioning
cytokinesis
33. Where cell aerobic respiration takes place
polysaccharide
mitochondria
ovouiviporous
sign stimulus
34. When the animal must do something to gain a reward or to avoid punishment
bioaccumulation
promoter codon
operant conditioning
human demographics
35. Both individuals have male and female parts but don't self fertilize
hermaphrodism
ester linkage
habitat isolation
Punnett square
36. The start of a gene
intraspecific competition
hybrid
interference competition
promoter
37. Aka boreal forest & big evergreen forests & cold most of the year
behavioral (sexual) isolation
promoter
taiga
gametic isolation
38. The study of heredity
DNA polymerase 1
genetics
cytoplasm
angiosperm
39. Aka scramble competition & all the members of the population have a generally equal amount of the resources
mechanical isolation
Thomas Malthus
injectable contraceptive
exploitation competition
40. The passage of energy in a one-way direction through an ecosystem
comminity
energy flow
oral contraceptive
tertiary structure
41. The genetic drift that results when a small number of individuals from a large population found a new colony
founder effect
tRNA
species diversity
coleoptile
42. An organic compound consisting of only carbon and hydrogen
cytoplasm
glycocalyx
lactose
hydrocarbon
43. A channel that takes things from one side of the phospholipid bilayer to the other by having a protein attach to the channel which changes its shape and moves the stuff to the other side
coleoptile
tundra
cooperative ion channel
grasslands
44. The tubules that extend from each pole to the equatorial region
niche
zygote
ovarian ligament
polar microtubules
45. Holds the cell in place and gives it structure
sexual selection
cytoskeleton
mitochondria
oviduct
46. A form of active transport that uses energy to pump ions from the outside to the inside of a cell
sodium potassium pump
secondary consumers
acid growth hypothesis of elongation
social behavior
47. Stores water in plants
oviduct
water vacuole
hydrophillic
fitness
48. Chromosomes other than sex chromosomes
acid growth hypothesis of elongation
autosome
purine
heterotroph
49. The global movement of water between the abiotic environment and organisms
hydrologic cycle
megasporocyte
ecotone
endocytosis
50. Active at nigh
nocturnal
seasonal isolation
glycocalyx
ES complex