Decide which examples are most likely to increase variation or decrease variation. Some examples could do both. Which of the following could possibly increase genetic variation indirectly? toxins predator-prey relationships competition new habitat disasters increased food supply
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- One concept of conservation biology is known as minimum viablepopulation. Some species’ populations are so fragmented andsmall that they may have very little genetic variability left. Withminimal genetic variation in the population, there is little likelihoodthat a population can adapt to an environmental threat, such as anew disease. Florida panthers are at or below the minimum viablepopulation level (estimated population less than 80). 1)Do you think that it is practical to use limited resources toconserve a population like the Florida panther? 2)Why?Explain the evolution of alternative male reproductive strategies within a single species. Give examples. nool deminerER What can less dominant males do? morebeemto lemates Compensatory mating strategies 1. Forming friehdships with a particular female (babbons). 2. Preejaculationfigienas). 3. Rape (ducks seorpionflies). 4. Satellite males ("parasitize successfulmales) Highand loakung mae s ors were found a have cs ofemales Du he hg arng mae had more cmso lesales during estr Nghe chance to produce Makingthe-best-of-a-bad-jab reproduotive strategy Conditional mating strategies: Co-existing reproductive strategies Genetic capacity for two altermative mating strategies (decision" is made during development, depending on nutrientavailability) Big horn, small testes OR Small horn, large testes Three different forms of sponge isopod males CS Scanned with CamScannerList the possible reasons why two individuals of a certain speciesmight differ in V•O2max.
- Adaptation is an important component for species survival. Genes get selected for based on pressures. It is now known that several species (bacteria, plants, and animals) adaptions potentially reflect a response to human actions. Which of the following represent examples of how species are adapting to human behaviors? Choose all that apply. O Dandelions getting longer in areas that are constantly mowed O Bacteria exhibiting antibiotic resistance O The peppered moth expressing dark coloration genes during the industrial revolution O Cholera bacteria becoming more mild when water sources are cleanerC5 x P Parchment Exchange - Leader earn.edgenuity.com/player/ ence- SC5181 A G 5 Mark this and return G how would scientists describe th Why is random distribution of species the least common pattern? O It eliminates the protection benefits provided by a large group. O It decreases competition among members of the population. O It reduces the amount of light that producers can get from the sun. OIt does not mirror how resources are distributed in nature. X O Σ how is point intercept used to de x + Save and Exit Next 0 < English Sign out v ☆ E. 0 Kinley He Submit Oct 27 2:08O O O Number of Attacks TOL TODe62227cd7 CHCASE Dashboard Strawberry poison-dart frogs have different skin colors within their population. The frogs can be categorized broadly using the colors green, blue, yellow, and red. A researcher performs an experiment using colored clay frogs to represent the different types of frogs to investigate which color morph is preyed upon the most by snakes. The researcher compares the number of snake attacks on each of the four different-colored clay frogs. 200- 150- 100- 50- 0+ green blue yellow red Color of Clay Frogs Which distribution of strawberry poison-dart frogs is likely to exist in nature? O There will-be more red-colored frogs in the population than green-colored frogs. O. There will be more yellow-colored frogs in the population than red-colored frogs. O There will be more green-colored frogs in the population than yellow-colored frogs. O There will be more blue-colored frogs in the population than yellow-colored frogs.
- Which of the following is not a characteristic of r-selected species. O mature early O mature late O more offspring O smaller offspringRead this quote from Charles Darwin (from Origin of Species). What is he describing? "Thus, I can understand how a flower and a bee might slowly become, either simultaneously or one after the other, modified and adapted to each other in the most perfect manner, by the continued preservation of all the individuals which presented slight deviations of structure mutually favorable to one another." An interaction network. A predator/prey cycle. O Coevolution. An obligate mutualism.Over time, species have evolved in response to interactions between predator and prey. These adaptations include the evolution of various defense mechanisms. Match the following defense mechanisms with the correct definition. Aposematic [Choose ] coloration Cryptic coloration [Choose ] Batesian Mimicry [Choose] Müllerian mimicry [Choose ]
- Organismsthat produce many offspring would best be characterized by which of thefollowing?a.A convex survivorship curveb.A concave survivorship curvec.A linear survivorship curved.A sigmoidal survivorship curvee.None of the choices apply5 x P Parchment Exchange - Leader i earn.edgenuity.com/player/ nce - SC5181 A ņ X 1 2 3 4 5 Mark this and return G how would scientists describe th X How is point intercept used to determine the abundance of a population? OA sample of the population is counted by sight and then extrapolated into a value for the entire population. O A three-dimensional frame is placed next to the target species and is used to tally the number of individuals near it. OA predetermined scale is placed along a transect line and the percent cover of the desired species is measured. O A measured line is laid out in the study area and the number of target individuals underneath it are counted. O M Show is point intercept used to de x B + DELL Save and Exit Next Sign out English Submit Oct 27 K 2:2What is often true of a population of organisms with a type Il suvivorship curve? they produce few offspirng and invest more energy in each offspring they produce more offspring and invest little energy in each they have low death rates during early life stages they are equally likely to die at any age
