1. How do sperm digest through the egg cell membrane?
- Their heads are pointed
- Th egg cell membrane dissolves in contact with the sperm
- They carry enzymes
- They come at a fast pace so the momentum breaks the egg
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Other questions in this quiz
2. How do guard cells close at night?
- They lose energy at night so tighten
- They're light sensitive so close when it's dark
- The sense a lack of water so close
- The stomata shrivells ups
3. Why do sperms have 'heads'?
- It contains the nucleus with the genetic information to be passed on
- It contains the mitochondria so energy is released for movement
- To guide them to the eggs
- So they go fast
4. Where are cone cells found?
- everywhere, they're in the blood!
- light sensitive layer of your eye (retina)
- Next to the xylem in a stem
- surrounding your major muscles
5. Which of these is not an adaptation of the palisade leaf cell?
- Tall shape so large surface area to absorb CO2
- Contain many stomata for transpiration
- Many chloroplasts for photosynthesis
- Thin shape so many can be packed next to each other