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WorksheetsCSHS Yr 8 Biol ETT revision
Total questions: 147
Worksheet time: 2hrs 48mins
Nucleus
Which organelle belongs in animal cells only?
Chloroplast
Cell Wall
Many Small Vacuole
Nucleus
organs, organ systems, organisms, cells, tissues
Animal Cell
Plant Cell
Ocular Lens: 10X
Low Power Objective Lens: 4X
Medium Power Objective Lens: 20X
High Power Objective Lens: 40X
Low Power Field Of View: 3mm
Use this information to figure out how long this bacteria is on high power.
Ocular Lens: 10X
Low Power Objective Lens: 4X
Medium Power Objective Lens: 10X
High Power Objective Lens: 40X
Use this information to figure out how wide this bacteria is on high power.
If there is more oxygen in the blood than in an organ, which direction would the oxygen move?
Out of the blood
Into the blood
What does concentration gradient refer to?
number of particles
difference in concentration between 2 regions
diffusion
net movement of particles
Human's have a small cecum, whereas in rabbits it is a large pouch descending from the large intestines. The purpose of the cecum in rabbits is
To collect bacteria to prevent infection
To absorb extra water from digested chyme
To break down additional fiber and protein from the rabbit's high vegetation diet
To remove urea to create urine for excretion
Fishermen work hard to catch and remove all the starfish that get into their favorite shell fishing beds and the “underwater farms” where they raise clams and oysters. In the past, they put the starfish into their boats, cut them up with knives, and then throw the pieces of starfish overboard. They thought this would kill the starfish. What they did not know was that each piece of starfish will grow into a whole new animal.
