Have an account?
Skip to Content
Build your own quiz
Biology
6th -
8thgrade
Natural selection and adaptation, and dichotomous keys
15 questions
Show Answers
See Preview
- 1. Multiple ChoiceThe great barrier reef of Australia is the largest coral reef in the world and known to have brutal hot summers. Some species of turtles stay well below the surface during the summer months. This behavior is most likely to help the turtle byavoiding sharksgetting better oxygenated waterkeeping their body temp lowbe close to the plants they eat
- 2. Multiple ChoiceSome animals are able to see in ultraviolet (UV) light. Bees for instance can see Green and Blue and UV, but no Red, but butterflies and birds can see Red, Green, Blue and UV. Why would a plant need these special ultra violet markings?to show insects they are poisonousAttract insects to help it pollinateavoid sunlightvisibility at night
- 3. Multiple Choice
Mr. Henderson bought his wife some colorful flowers for Valentines this year. Mrs. Henderson loved the color so much she decided to grow more from the existing flowers. What would be the best way to keep that color in the offspring of these plants?cross pollinate with flowers with the same colorsits impossiblewait for insects to pollinate itcross pollinate with different color plants - 4. Multiple ChoiceA male bumble bee uses pheromones to lure a female where he can mate with her. The male flies along, marking plants with his perfume. Once he sets his "traps," he patrols his territory waiting for a female to land on one of his perches. Bees that cannot mark plants this way eventually die off. This is known asGenetic behaviorNatural SelectionLearned behaviorSelective breeding
- 5. Multiple ChoiceChameleons eyelids are fused, and cover almost the entire eyeball, except for a small hole to let the pupil see through; each eye can be moved independently from the other. As a prey species, chameleons have eyes have adapted like this togive better focus to catch moving preysee a long distanceallow them to see over a wider area allow them to detect predatorsspot humans
- 6. Multiple ChoiceMost foxes of the desert have a reddish brown coat but the artic fox has a white coat. How has this adaptation allowed the arctic fox to survive over many years?it gives it warmth during the summerit makes the fox look meanerit keeps it warmits protects it from prey using camoflauge
- 7. Multiple Choice
Mother cows gave birth to fours calves in the same litter but have different hair color than the mother. Which of the following processes is responsible for the variety of hair color in this littersexual reproductionasexual reproductionmutationgenerations - 8. Multiple ChoiceFlashy tails on many animals is an example of coloration. Why might flashy tailed animals display their colors to another of the same species?make friendshelp build a nestattract a matescare predators
- 9. Multiple ChoiceThe physical appearance of an organism is scientifically known itsgenotypephenotypegenesgeneration
- 10. Multiple Choicecharacteristic or trait that helps an organism survive in its environmentskillsspeciationnatural instinctadaptation
- 11. Multiple Choicea unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring which is found in the DNA.enzymemutationgenenucleus
- 12. Multiple ChoiceCharles Darwin noticed that birds of the Galapagos Islands were very similar in size and shape but their beaks were very different. What is the explanation for birds having different beaks?gathering foodbuilding nestfightingscaring predators
- 13. Multiple ChoiceThe passage of genetic instructions from one generation to the next is known asmitosisgenerationalitybehaviorsherecdity
- 14. Multiple ChoiceAn environment has a type of bug where some are red and some are blue. The red bugs always have red offspring and the blue bugs always have blue offspring. The birds in the environment always eat the blue bugs first. Over a long period of time, there will bemore blue bugs than red bugsonly red bugs in the environmentonly blue bugs in the environmentchanges in the red bugs so the birds will want them
- 15. Multiple ChoiceFrogs have webbed feet that help them to swim in water. Webbed feet in frogs are an example of anichevariationadaptationlearned behavior
- Answer choicesTagsAnswer choicesTags