Where is the meristem tissue found, and what is its role?
Meristem tissue is found at the tips of roots and stem, and its role is to enable plant growth
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15
Name types of feather and their function.
I. Down feathers â soft and fluffy, trap air for insulation. II. Contour feathers â give shape and color. III. Flight feathers â on wings and tail flying
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15
How is skeleton of birds adapted for flying?
by being lightweight with hollow bones, having a fused backbone for stability, and a large breastbone (keel) for flight muscle attachment.
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15
How many chromosomes do human cells have before and after mitosis?
Human cells have 46 chromosomes before mitosis, and after mitosis, each daughter cell also has 46 chromosomes.
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15
What is the total ATP yield from one glucose?
about 36 -38 ATP
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15
What are the three main types of ground tissue in plants?
ground tissue in plants are parenchyma, collenchyma, and sclerenchyma.
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15
Reptile skin can be covered with:
scales, scutes, plates
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20
Give 3 examples of marsupials
Kangaroo Koala Wombat Opossum Tasmanian devil
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20
During which stage of meiosis does crossing over occur, and why is it important?
Crossing over happens during prophase I of meiosis, and it is important because it creates genetic variation by exchanging DNA between chromosomes.
