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6. Which of these is not an adaptation of an erythrocyte?
- No nucleus so there is more room for oxygen
- Many lysosomes to break down particles
- Biconcave disk to increase surface area, and hold more oxygen
- Small to allow it to get close to body tissues
7. What is not true about epithelial tissue?
- Can be column shaped
- held in place by a basement membrane made of collagen and glycoproteins secreted by the cells underneath
- Forms layers and linings
- Ciliated epithelium is found in bronchi and oviducts
- Found mostly in lower regions of the brain
- Squamous Epithelium form thin flat surfaces in alveoli and blood vessels
8. What is not a adaptation of a spermatozoan?
- Sperm head contains an acrosome to break down the egg cell
- Small, long and tim to make movement easier
- Many mitochondria to provide energy for the micro tubules to move the tail
- Contains chloroplasts to absorb light
- Nucleus has half the number of chromosomes to fuse with the egg
9. What differentiation doesn't happen in the bone marrow?
- Xylem elongate and end walls break down to
- Neutrophils get multi lobed nucleus
- Neutrophils get lysomes with enzymes to digest bacteria
10. Which of these is not correct?
- Organ System - One organ with a particular function
- Tissue- group of similar cells that work together to form the same function
11. What is an adaptation of pallisade cell?
- Thin outer wall and thick inner wall, in light will absorb water to become turgid
- Contains chloroplasts to absorb light, thin walls
- Hair like projections to increase surface area so more water can be absorbed
- Small, long and tim to make movement easier
12. Which of these is not an adaption of a neutrophill?
- Flexible shape to engulf foreign particles
- Multi-lobed nucleus
- Biconcave shape
- Many lysosomes
13. What adaptation do epithelial cells have?
- Cillia and microvilli
- Flexible shape to engulf foreign particles
- Multi-lobed nucleus
14. What is an adaptation of xylem tissue?
- Long coluums of xylem vessels with parenchyma between them to support them
- Sieve plates are between each element
- Exposed surface covered with cilia