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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. Regulates the ecosystem function by nutrient cycling and by availability of other resources
promoter
Mullerian mimicry
bottom up process
3' end
2. When individuals in a population are spaced throughout an area in a way that is unrelated to where other are & the least common type of dispersion
interspecific competition
diaphragm
random dispersion
cell wall
3. A large & relatively distinct terrestrial region that has similar climate & soil & plants & and animals regardless of where it occurs
isotonic
filament
biome
hormone
4. Aka scramble competition & all the members of the population have a generally equal amount of the resources
oviduct
succession
epistasis
exploitation competition
5. 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
embryo sac
cognition
acrosome
net primary productivity
6. A molecular unit that consists of a five carbon sugar & one or more phosphate groups & and a nitrogenous base
nucleotide
centriole
age structure
sign stimulus
7. The sequence of nucleotides in one chain dictates the complementary sequence of nucleotides in the other
homozygous
cell wall
behavioral (sexual) isolation
complementary
8. A form of a gene
rRNA
ribosome
snRNP
allele
9. A symbiotic relationship in which the parasite benefits which the host is harmed
meiosis 2
parasitism
triaclyglycerol molecule
pyramid of numbers
10. Occurs when there is the same concentration in different areas
secondary growth
equilibrium
ovaries
adaption
11. Produces proteins
society
ribosome
fat
evolutionary arms race
12. How the molecule folds on itself due to the functional group interactions
style
oxytocin
gene poll
tertiary structure
13. The proportion of a particular phenotype in the population
microsporocyte
phenotype frequency
megaspore
interphase
14. States that species richness is greatest at moderate levels of disturbance & so all the different species are at different stages in succession
random dispersion
intermediate disturbance hypothesis
ovary
cooperative ion channel
15. Produces semen (1)
intrinsic rate of increase
habitat isolation
seminicle vesical
function group
16. Species interacting in a positive way & Which modifies and enhances the local environment for other species
natural selection
facilitation
DNA
disruptive selection
17. Plastic cover of the penis
semiconservative replication
endosymbiotic theory
intrauterine device (IUD)
condom
18. Changes in the shape of a protein and the accompanying loss of its biological activity
embryo
denaturation
pyrimidine
5' end
19. Speciation that occurs when one population becomes geographically separated from the rest of the species and subsequently evolves by natural selection/genetic drift
epistasis
microtubule
allopatric speciation
primary succession
20. Chromosomes other than sex chromosomes
courtship ritual
autosome
gamete
genetics
21. The constricted region in a chromatid
Law of Segregation
character displacement
cooperative ion channel
centromere
22. A section of three nitrogenous bases
telophase
stigma
slash and burn agriculture
codon
23. Produce estrogen and progesterone
Batesian mimicry
ovaries
abiogenesis
stigma
24. The change in allelic frequencies of two or more populations over time & the interdependent evolution of two or more interacting species
injectable contraceptive
coevolution
turgor pressure
climax community
25. Contains enzymes that help with fertilization
facilitation
vasectomy
intermediate disturbance hypothesis
acrosome
26. When individuals of the same sex actively compete for mates
interspecific competition
phototropism
enzyme
intrasexual selection
27. Have trains that maximize the chance of surviving in an environment where the number of individuals is the carrying capacity & have few offspring & are larger & have long life spans & develop slowly & reproduce late & have low reproductive rates & pr
denaturation
K selection populations
passive transport
S phase
28. A type of natural selection for successful mating
sexual selection
glycoprotein
age structure
learning
29. The study of behavior in natural environments from an evolutionary perspective
biogenesis
quaternary structure
LH
behavior ecology
30. A graph that indicates the energy content of the biomass of each trophic level
tropic response
purine
tropic response
pyramid of energy
31. Gases act like a blanket and hold heat in the atmosphere
pinocytosis
greenhouse effect
insight learning
nucleic acid
32. CAT
DNA ligase
umbilical cord
triaclyglycerol molecule
the signal to start bringing amino acids
33. Promotes cell elongation & apical dominance
auxin
homozygous
angiosperm
pistil
34. Plant growth response that is dependent on the direction of stimulus
cytokinin
tropic response
gamete
polypetide
35. When individuals are evenly spaced & occurs because of territoriality or competition for resources or space
heterotroph
uniform dispersion
secondary succession
mobile carrier
36. Contains enzymes that help with fertilization
population density
meiosis 1
gibberellin
acrosome
37. 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
controlled burning
bottom up process
enzyme
phospholipid
38. Warm & lots of rain & highest level of diversity and production
incomplete dominance
tropical rainforest
nucleolus
phospholipid
39. Transmits hereditary information and determines what proteins a cell manufactures
nucleic acid
permease
life table
viviporous
40. Going up and down around a set point
cellulose
condensation reaction
oscillate
promoter codon
41. The major carrier of genetic information in eukaryotes & found in the cell nucleus
bottom up process
extinction
chromosome
ER lumen
42. A fatty acid that doesn't contain the maximum possible number of hydrogens
macroevolution
secondary consumers
mitosis
unsaturated fatty acid
43. Spontaneous generation & life may arise from nonliving matter (incorrect idea)
S phase
abiogenesis
population density
climax community
44. A link formed when three or more amino acids combine
growth from cell division
organic compound
polypetide
microsporocyte
45. When individuals in a population are spaced throughout an area in a way that is unrelated to where other are & the least common type of dispersion
testes
random dispersion
RNA
auxin
46. Collects waste products in a land egg
cytokinesis
coevolution
allontois
stamen
47. Sex cell
steroid
holandric
gamete
producers
48. Where seminiferous tubules are found & where testosterone is made
disruptive selection
testes
dispersion
cristae
49. Competition among population of different species
interspecific competition
the signal to start bringing amino acids
ecotone
seasonal isolation
50. A behavior that has been modified in response to environmental experience
testosterone
learned behavior
cervix
3' end