What is the initial step in the digestive process that represents a chemical change in food?

If you saw a diagram that showed the flow of energy within a person when they eat food and convert it into a usable form of energy for activities such as running. Which energy transformation does this process represent?

Consumers, like humans, need to go out and get their food for energy because they can not make their own food. What energy transformation is taking place when an animal eats food to keep warm?

Click and drag to move During digestion, the digestive system breaks down food into nutrients used by the body. Which organelle within the cell works with the digestive system to break down food into usable energy?

Which of the following only include examples of chemical changes that occur during digestion?

Which of the following statements is not true in relation to work being done in which A) a box is lifted, B) a wagon is pulled, and C) a girl pushes against a brick wall.

A student exerts a force of 25 N to raise a flag 7 meters to the top of the flag pole. How much work is the student doing? Use the formula for work, Work = Force x distance.

Students compared the mass of two identical suckers, initial masses of 14 grams, after being soaked in two different solutions. The first sucker is placed in 100 ml of solution “A”. The other sucker is placed

. Students compared the mass of two identical suckers, initial masses of 14 grams, after being soaked in two different solutions. The first sucker is placed in 100 ml of solution “A”. The other sucker is placed. Based the students' observation of th

Which of the following is the best example of work being done on an object?

There are two types of living cells. Which of these two cells is classified as a eukaryotic cell and why?

Both Eukaryotic and Prokaryotic cells contain a cytoplasm. What is the function of the cytoplasm in the cell?

Cell A reproduces through the process of binary fission which produces two daughter cells. How would the parent cell and the two daughter cells relate?

Remembering the organization of life, what makes up organs?

One major difference between sexual and asexual reproduction is that sexual reproduction -

What kind of energy transformation takes place when a toaster is turned on?

A worm population has 200 individual worms. 100 of these worms feed at night (nocturnal) and 100 of them feed during the day (diurnal). The birds that feed on these worms are diurnal hunters. After a 1000 years pass, at what time of the day would you

If the birds that prey on the worms change their eating habits and become nocturnal hunters, how would this affect the population sizes of the nocturnal and diurnal warms?

A change happens inside the large intestine of the digestive system. The liquid is absorbed from the waste turning it into a solid. What kind of change has occurred in the large intestine?

A researcher is studying the effect of sleep on aggression, thinking that less sleep will lead to more aggression. She has some people sleep 6 hours per night, some people sleep 3 hours per night and some people sleep as much as they want. She then m

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