Class IX

Most animals that include fish, reptiles and mammals have very simple life cycles. Check all the stages of the animal life cycle.
  1. They are born (either live from a mother or hatched from eggs)
  2. They grow.
  3. The become adults.
  4. All of the above.
In the life cycle of a plant, the plant eventually dies and then there are seeds left which germinate to produce new plants. Which of the following means that the plant will take two years to complete their life cycle?
  1. annuals
  2. biennials
  3. perennials
  4. monocarpic
Which of the following are characteristics that animals possess? Check all that apply.
  1. Animals can move on their own.
  2. Animals do not have cell walls.
  3. Animals give off carbon dioxide to plants and take in oxygen to breathe.
  4. All of the above
What percentage of animal species give birth to LIVE young as a part of their life cycle?
  1. 3%
  2. 6%
  3. 10%
  4. 50%
In the life cycle of a plant, the first step is the seed germinates. During the second step, the plant grows. What occurs in the third step of the life cycle of a plant?
  1. The fruit releases seeds.
  2. The plant flowers.
  3. The plant dies.
  4. none of the above.
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