Study

Final

  •   0%
  •  0     0     0

      Back   Restart
  • Organisms with favorable traits reproduce more successfully than organism's with less favorable traits. This statement describes:
    over production
    inheritance
    use and disuse
    survival of the fittest
  • What percentage of offspring will be homozygous
    25%
    75%
    20%
    50%
  • The arrows in a food chain represent :
    carbon dioxide
    water evaporation
    energy flow
    sunlight
  • What is another word for a heterotroph
    decomposer
    plant
    producer
    animal
  • Overpopulation of any species harms the environment due to
    decreased use of resources
    recycling of resources
    production of extra resources
    increased use of resources
  • The diagram shows the "family tree" of some animals. According to the diagram, which animal has the most recent common ancestor?
    fish and rodents
    reptiles and birds
    fish and primates
    amphibians and birds
  • This is an example of
    cellular respiration
    photosynthesis
    evoultion
    diffusion
  • Which trait is dominant: green or yellow
    green
    yellow
  • Capital letters represent
    adaptations
    mutations
    recessive alleles
    dominant alleles
  • Heredity information is found in cell's
    chloroplasts
    chromosomes
    membrane
    cytoplasm
  • Cells identical to the parent cell are created by the process of
    mitosis
    mutation
    fertilization
    meiosis
  • The diagram represents one life process that takes place in a leaf. Which life process is shown?
    reproduction
    photosynthesis
    respiration
    digestion
  • Where does the energy come from originally in an ecosystem
    clouds
    water
    sun
    deer
  • the structure that controls the movement of materials into and out of the cell
    cell wall
    vacuole
    cell membrane
    nucleus
  • What is another word for an autotroph?
    plant
    consumer
    decomposer
    amimal
  • Bacteria and fungi that break down dead plants and animals and return nutrients to the soil are called
    consumers
    producers
    carnivores
    decomposers
  • Living things are group as consumers, producers, or decomposers according to
    how they obtain energy
    where they live
    their size
    how they move
  • Most of the energy in a food web is supplied by the
    vulture
    bacteria
    deer
    green plants
  • What is the main source of oxygen for an ecosystem?
    sunlight
    green plants
    snails
    fish
  • What percentage of offspring could be green?
    100%
    50%
    25%
    0%
  • where is water stored inside a cell
    vacuole
    cell membrane
    chloroplast
    mitochondria
  • ___________ are located on chromosomes
    DNA
    genes
    pedigrees
    nuclei
  • Which of the following is the correct order from simplest to most complex?
    cell-system-tissue=organism-organ
    cell-organism-organ-system-tissue
    cell-tissue-organ-system-organism
    cell-organism-tissue-system-organ
  • In an energy pyramid, where are plants located?
    decomposers
    consumers
    producers
    secondary consumers
  • Most genetic material is found in the
    membrane
    nucleus
    lysosome
    vacuole
  • How does natural selection operate to cause change in a population?
    members differ so that only some survive when e't changes
    members do not adapt to environmental changes
    members are equally able to survive if e't changes
    ALL members adapt to environmental changes
  • In a certain species of army ant, the gene for long jaws (M) is dominant. If they wanted ants with only long jaws, which cross should they use?
    mm x mm
    Mm x Mm
    mm x Mm
    MM x mm
  • Which structure is found in plant cells but not in animal cells?
    cytoplasm
    cell membrane
    nucleus
    cell wall
    • Your experience on this site will be improved by allowing cookies.