Plz answer any at least one quation question 15 biogeography is the study of the distribution of plants and animals in deserts. only on islands. throughout the world in south america question 16 which of the following contributed to the distribution of species? adaptation location of continents evolution none of the above question 17 which of the following is not a basic biochemical molecule used by most organisms? dna atp enzymes none of the above question 18 genetic drift is changes in allele frequencies due to mating. extinction. chance. none of the above question 19 which of the following is the hardy-weinberg equation? p2 + q2 = r2 p2 + q2 = 2pq p2 + 2pq + q2 = 1 none of the above question 20 gene flow is migration of alleles into or out of the population. genetic drift. a chromosome. none of the above question 21 which of the following is a cause of bottleneck? natural disaster disease predators all of the above question 22 what do many species on islands display? genetic flow founder effect the fossil record none of the above question 23 the founder effect is a case of genetic drift in which rare alleles, or combinations of alleles, occur in higher frequency in a population the general population. included in isolated from making up none of the above question 24 which of the following is an example of directional selection? human height birth weights of humans extinction pesticide resistance question 25 which of the following is an example of stabilizing selection? human birth weight pesticide resistance extinction peppered moths coloring question 26 disruptive selection favors individuals at of variation. one extreme both extremes in the middle none of the above question 27 stabilizing selection favors the phenotype out of a range of phenotypes intermediate extreme least seen none of the above question 28 most in a population is generated by mutation genetic variation gene flow extinction none of the above question 29 the gene pool is the sum of all genetic information carried by the members of? a church the kingdom animalia. a population. all of the above question 30 a population is a group of individuals living that are capable of interbreeding and producing viable fertile offspring on opposite sides of the ocean in the same geographical area in different climates none of the above

Question 11 which of the following personal health practices should a person follow to reduce the risk of skin cancer? avoid staying outdoors when the sun is strongest. consume antibiotics to prevent bacterial attacks. wash hands frequently to maintain proper hygiene. have a balanced diet and exercise regularly. question 12 a student wants to compare how easily a metal and a plastic spoon of the same temperature can transfer thermal energy. which of the following activities should the student perform? measure the effort required to bend each spoon. place an ice cube on each spoon and record the rate of melting of the cubes. place the spoons at room temperature and record the change in temperature of each. measure the change in weight of the spoons after placing them in the freezer for a few minutes. question 13 the characteristics of certain cell divisions are described in the following table. cell division characteristics characteristic description 1 forms diploid cells 2 creates sex cells, or gametes which type(s) of cell division do the two characteristics represent? both characteristics represent meiosis. both characteristics represent mitosis. characteristic 1 represents meiosis and characteristic 2 represents mitosis. characteristic 1 represents mitosis and characteristic 2 represents meiosis. question 14 which of the following adaptations in wooly mammoths could have best prevented their extinction? shedding of fur darker color of fur growth of an extra layer of fur increase in the thickness of fur question 15 maria and ben are both suffering from a hereditary disease, as described in the following table. description of disease patient description maria blood cells get stuck in blood vessels, causing painful attacks ben hemoglobin is abnormal due to curved shape of red blood cells which disease(s) are maria and ben suffering from? both are suffering from type 1 diabetes. both are suffering from sickle cell anemia. maria is suffering from sickle cell anemia and ben from type 1 diabetes. maria is suffering from type 1 diabetes and ben from sickle cell anemia. question 16 which of the following icons is used to represent a female carrier of a disease? a half-filled circle a half-filled square a completely filled circle a completely filled square question 17 joe sowed seeds of a plant in two different types of soil in separate pots. she added the same amount of fertilizer to the pots. she then placed the pots in the sun and recorded their growth after four days. what is the independent variable in the study? duration of growth amount of fertilizer growth of seeds type of soil question 18 philip has curly hair and his sister has straight hair. which of the following explains why philip and his sister have different hair types? both children received the same hair coding gene from their mother. both children received the same hair coding gene from their father. their mother was exposed to different environments before their births. the children each received different genes from their parents. question 19 which statement is most likely correct about species which cannot adapt? they become extinct. their immunity increases. their population increases. they produce more offspring. question 20 four animals live in the arctic. their characteristics are described in the following table. animal characteristics a long tail b small feet c black fur d white skin which animal is least likely to be captured by its enemies? animal a animal b animal c animal d

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?