Section 1 A student wants to demonstrate a cell with a 3% salt internal concentration moving into a new solution. Which model correctly shows a cell moving from an isotonic
solution to a hypertonic solution?
Item 1
Item 2
Item 3
Item 4
Item 5
3% salt
3% salt
Hem
Item 7
-
Hem
3% salt
10% salt
Item
Item 10
-
3% salt
1% salt
3% salt
3% salt
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Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Turtle hatchling survivorship rate is low in many turtle species due to predation. amanda researched the predatory rate on a species of turtle eggs in the red river. the eggs were harvested from trapped turtles and the egg's cloaca film (reproductive discharge) was either washed off or left on once gathered. research suggests that predators use the female's cloaca scent to locate the eggs. the eggs were only handled when wearing gloves and then reburied along islands where the turtles were trapped. the nests were monitored by cameras and manually on foot and data on nest predation were recorded. a. based on the experimental design, what is the dependent variable? b. based on the experimental design, what is the independent variable? c. based on the experimental design, what is the control?

How does natural selection change thephenotypes within a population over time?