Activate 2 -Adaptation and inheritance

  1. What is meant by a species?
    Organisms that are able to breed and produce fertile offspring
  2. Which keyword means ' random differences between living organisms'?
    variation
  3. Name the type of variation that can have any value within a range
    Continuous variation
  4. Name the type of variation that has a limited set of values
    discontinuous variation
  5. Which type of data are eye colour and blood type examples of?
    Discontinuous
  6. Which type of variation are height, weight and foot length examples of?
    continuous data
  7. Which type of variation causes differences between individuals of a species due to their surroundings?
    Environmental
  8. What type of variation is due to genetic information?
    inherited
  9. What type of variation is responsible for language and accent?
    Environmental
  10. Changes that occur so an organism is better suited to its environment are known as...
    Adaptations

    Camel song - "Adap, adaptations....changes in a body to suit a location"
  11. List the four things animals compete for
    • Food
    • Water
    • Space
    • Mates
  12. List the four things plants compete for?
    • Light
    • Water
    • Space
    • Nutrients/minerals
  13. State some ways in which the camel is adapted to its environment
    • Large feet
    • Thick lips
    • Hump
    • Double eyelashes
    • Thick fur
  14. State some ways in which the cactus is adapted to its environment
    • Spikes
    • Waxy layer on skin
    • Fleshy stem to store water
    • Wide roots to collect water from a large area
  15. What are strands of DNA arranged in pairs?
    chromosomes
  16. How many chromosomes do humans have?
    46 (arranged as 23 pairs)
  17. Name the small sections of DNA that are contained within chromosomes
    Genes
  18. What shape is DNA?
    Double helix
  19. Where in cells are chromosomes stored?
    Inside the nucleus
  20. Arrange the following in order of decreasing size:
    -chromosomes
    -DNA
    -genes
    -nucleus
    nucleus -> chromosomes -> genes -> DNA
  21. Name the process when a sperm and egg join together
    fertilisation
  22. Name the process whereby changes occur to species over millions of years
    evolution
  23. What provides the evidence for evolution?
    Fossils
  24. What becomes of species that are no longer suited to their environment?
    They become extinct
  25. Name the process whereby species that fit their environment thrive and those that don't gradually die out.
    natural selection
  26. List four reasons why a species may become extinct
    • changes to environment
    • disease
    • new predators
    • destruction of habitat
  27. What happens to biodiversity if a species becomes extinct?
    It decreases
  28. What keyword describes species where there is only a small population across the world?
    Endangered
  29. Which type of genebank stores things at very low temperature?
    cryobanks
  30. What is biodiversity?
    The range of organisms living in an area
  31. Name two organisms that have become extinct
    • dodo
    • sabre toothed tiger
    • woolly mammoth
    • Any dinosaur etc
  32. Name three types of gene bank
    seed, tissue, cryo, pollen
  33. What is deoxyribonuclic acid better known as?
    DNA
Author
SilcoatesScience
ID
364528
Card Set
Activate 2 -Adaptation and inheritance
Description
Updated