Natural selection and adaptation, and dichotomous keys
3 years ago
michaelsongy
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15 QuestionsShow answers
  • Question 1
    120 seconds
    Q. The 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 by
    answer choices
    avoiding sharks
    getting better oxygenated water
    keeping their body temp low
    be close to the plants they eat
  • Question 2
    120 seconds
    Q. Some 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? 
    answer choices
    to show insects they are poisonous 
    Attract insects to help it pollinate 
    avoid sunlight
    visibility at night
  • Question 3
    120 seconds
    Q.
    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?
    answer choices
    cross pollinate with flowers with the same colors
    its impossible 
    wait for insects to pollinate it
    cross pollinate with different color plants
  • Question 4
    120 seconds
    Q. A 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 as
    answer choices
    Genetic behavior
    Natural Selection
    Learned behavior
    Selective breeding 
  • Question 5
    120 seconds
    Q. Chameleons 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 to
    answer choices
    give better focus to catch moving prey
    see a long distance
    allow them to see over a wider area allow them to detect predators
    spot humans 
  • Question 6
    120 seconds
    Q. Most 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?
    answer choices
    it gives it warmth during the summer
    it makes the fox look meaner
    it keeps it warm
    its protects it from prey using camoflauge 
  • Question 7
    120 seconds
    Q.
    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 litter
    answer choices
    sexual reproduction
    asexual reproduction
    mutation
    generations
  • Question 8
    120 seconds
    Q. Flashy tails on many animals is an example of coloration. Why might flashy tailed animals display their colors to another of the same species? 
    answer choices
    make friends
    help build a nest
    attract a mate 
    scare predators
  • Question 9
    120 seconds
    Q. The physical appearance of an organism is scientifically known its
    answer choices
    genotype
    phenotype
    genes
    generation
  • Question 10
    30 seconds
    Q.  characteristic or trait that helps an organism survive in its environment
    answer choices
    skills
    speciation
    natural instinct
    adaptation
  • Question 11
    120 seconds
    Q. a 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. 
    answer choices
    enzyme
    mutation
    gene
    nucleus
  • Question 12
    120 seconds
    Q. Charles 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? 
    answer choices
    gathering food
    building nest
    fighting
    scaring predators
  • Question 13
    120 seconds
    Q. The passage of genetic instructions from one generation to the next is known as
    answer choices
    mitosis
    generationality
    behaviors
    herecdity
  • Question 14
    120 seconds
    Q. An 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 be
    answer choices
    more blue bugs than red bugs
    only red bugs in the environment
    only blue bugs in the environment
    changes in the red bugs so the birds will want them
  • Question 15
    120 seconds
    Q. Frogs have webbed feet that help them to swim in water. Webbed feet in frogs are an example of a
    answer choices
    niche
    variation
    adaptation
    learned behavior
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