Find study materials for any course. Check these out:
Browse by school
Make your own
To login with Google, please enable popups
To login with Google, please enable popups
Don’t have an account?
To signup with Google, please enable popups
To signup with Google, please enable popups
Sign up withor
Stinging cells on cnidarian tentacles used
for defense and for capturing food
Syconoid Body Type
Which of the following transcription factors(proteins) will increase the rate of transcription of a gene when bound to thedistal control elements of the enhancer?
Bats inherit two different phenotypiccharacters, skin color and wing size, together because the genes are locatednear one another on the same chromosome. Thus these genes are said to be
1. Polyploidy, habitat differentiation, and sexualselection allow for sympatric speciation to occur in populations because they
a. Reduce Gene Flow
According to the Logistic Growth Rate Model,which is characterized by an S-shaped growth curve, as a population size (N)reaches the carrying capacity (K) the population will
1. Which type of Ecology studies how environments interact through the exchange of organisms, materials, and energy between connected ecosystems?
A functioning muscle cell in an animal is …
(e) a and c
Ared snake (RR) and a yellow snake (YY) mate. The R and Y alleles arecodominant. The resulting offspring’s phenotype is …
(b) striped red and yellow
(d) genetic drift
Emu females lay less than 10 eggs on average. The father emu incubates the eggs for 2 months. When the eggs hatch, the emu chicks are guarded and cared for by their father throughout their infancy. The survivorship curve for emus is most likely a …
An individual human has many types of different cells. What is the primary cause for this diversity?
A. Different Genes are expressed
If you have a pair of dice and roll them, what is the probability their sum will be 6?
Beth has a tank of 10 red and 10 blue lizards, she accidentally drops a rock on the left side of the tank which kills 9 blue lizards. Now the red allele is expressed at a much higher rate. This is an example of which of the following?
A baby elephant takes a huge energy investment to take care of while it is young. Based on this information when are elephants most likely to reproduce successfully?
At an older age
Which environment is likely to support the largest amount of species?
This layer of the embryo is in charge ofcreating the epithelial lining of the digestive tract and associated organs andforming the thymus, thyroid, and parathyroid glands. Which embryonic germlayers is it?
What type of survivorship curve describes organisms that have a heightened death rate as they age?
In development of a chicken, the yolk is ___________ and thetype of cleavage is known as _______.
In rats, the allele for grey(G)fur color is dominate over the allele for white (g) fur color and long tailallele (L) is dominate over the short tail allele(l). If two rats were crossed, both heterozygousfor both traits, what percentage would have grey fur and short tails?
In a population of birds, 84% exhibit the dominate allele for medium size beak while 16% exhibit the recessive small size beak. What is the frequency of the dominate allele?
A biologist is studying aspecies of yellow spotted lizards in South America. He notices they are spread out among specificareas and begins studying them in those specific areas. Which type of ecology level is he studying?
The yolk ofthe frog is ________, whereas the yolk of the sea urchin is _________.
IAi and IBi
A population of squirrels is in Hardy Weinberg equilibrium for the S locus, which is responsible for their dark colored tails. There are two alleles: S and s.The frequency of S allele is 0.7 and the frequency of the s allele is 0.3. What is the expected frequency of the Ss squirrels in the population?
A group of populations of different speciesin an area
A population size of 2,000 has a birth rate of 0.1 and a death rate of 0.08. What is the expected population size one year later?
0% chance the daughter is colorblind and 100% chancethe son is colorblind
A volcanic eruption wipes out a large proportion of thepopulation of a type of turtle on a small island, this will likely cause
The way in which chromatin is packed in the nucleus dependson
post translational modifications on histone proteins
A mother is heterozygous for a recessive X linked trait. Ifthe father has the dominant allele what can you infer about the probabilitythat there son will inherit the disease? What if they had a daughter instead?
The son and daughter both have a 50% chance of inheriting the disease.
1) Mitosis and the cell cycle differ in plants and animals in which way?
Plant cells form a new cell wall to split the cell, whereas animal cells form a cleavage.
Sister chromatids of the same chromosome are
Florida State University is a place of great diversity where people from different cultures, ethnicities, and backgrounds come and experience life on a single campus as collegiate students. What level of life’s hierarchy can this student-filled campus be compared to?
Meiosis, when chromosomes reduce their set number from two to one ingametes.
Duringthe June solstice, the northern hemisphere is known to have the longest andhottest day of summer. This increases photosynthetic productivity in temperedgrasslands by increasing the amount of sunlight that is absorbed by thegrassland. The solstice increases energyflow and chemical cycling between organisms and environment. Which ecologylevel of organization best exemplifies this interaction?
1.) ______ is the 4th stage during Mitosis in whichthe spindle forms and the chromosomes start to line up.
Yes, Ai and Bi
Which of the evolutionary forces can produce adaptations?
The study of interactions among species in aparticular place is that of a _________ level.
Which of the following is (are) true about morphogens and hormones?
a) Hormones mainly depend on receptors to beeffectiveb) Hormones travel around the body, morphogens don’t
The mass extinction serves as which of the following evolutionary forces?
A researcher dived into the sea and found a new species of fish; he(she) captured and marked 350 of them. 3 months later he(she) went back to where the new species were found and captured and marked 210 of them, 42 of them were marked already. What is the approximate population size of this new species of fish?(Hint: x/n = m/N)
During which phase of the cell cycle is the metabolic rate of the cell at its highest?
Meiosis happens in two stages, Meiosis I and Meiosis II. What are the products at the end of Meiosis I?
Two haploid daughter cells
Genetic drift is the primary mechanism driving evolution
Some animals and plants, such as the Pacificsalmon and the agave, only reproduce once in their lifetime. What is this“one-shot” reproduction pattern is called?
The mitotic spindle develops in the ________ during whichphase?
If there is a population of white mice, black mice, and mixed patchy mice living in an environment of black and white rocks what would be expected to occur?
Extremely small population size
. Polydactyly is a disorder in which anindividual has more than the normal number of phalanges (fingers or toes) fortheir species. This disorder is thoughtto be caused by an extra “pocket” of ______ forming somewhere other than thelimb bud of the developing embryo.
pelagic and photic
A Deer having largeantlers
Which stage of mitosis occurs when the sister chromatids are pulled apart from each other towards opposite poles of the cell?
You cross an individual withgenotype AaBBCcdd to an individual with genotype AABbCcDD. What is theprobability of the first offspring of this cross having genotype AaBbccDd?
If you have a population of roseswhich has two different alleles (CB and CW) that are incompletely dominant(CBCB = Blue, CWCW = White, CBCW = Purple), what is the frequency of the CBallele if you have 10 blue roses, 15 white roses, and 25 purple roses?
Which of the following biomes is NOT correctly paired with the description of its climate?
. “Hitchhiking” species, such as algae that live on the shells of aquatic turtles or barnacles that attach to whales, gain a place to grow while having seemingly little effect on their ride. This is an example of what type of interspecific interaction?
c.) Endodermd) Blastopore
They control the timing ofdevelopmental changes
1. A transition from haploid (n) to diploid (2n) iscalled:
Aspecies of tapeworm, Tania pisiformis,is known to attach itself to the intestines of wild dogs and rabbits. Thetapeworm nourishes itself by absorbing nutrients from within the animal’sdigestive tract. This is an example of which kind of species interaction?
Reduced hybrid fertility (post-zygotic barrier)
A lack of gene flow
1. Separation of sister chromatid occurs in which phase of mitosis?
1. Which one of these is NOT a requirement for natural selection?
a) Variation in species
1. Two species that interact using the same resources and both species are negatively affected is
A. Crystalline did not have all of its activators to bind to the transcription initiationcomplex to start its transcription
A. Quantitive Characters
Highamounts of species richness
Sign up for free and study better.
Get started today!