Which of the following organelles use carbon dioxide to produce sugars during the process of photosynthesis?

Plants are unable to move to a new location in response to changes in their environment. Plants, instead, maintain balance by storing excess water in nutrients in their cells. Which organelle is responsible for this?

Which of the following systems breaks food into nutrients that can be used by the body?

The kidney filters the blood of waste and removes it from the body with the help of which body system?

Which pair of body systems is responsible for providing structure support for humans?

As a person exercises, carbon dioxide (CO2) levels in the blood increase. This causes the nervous system to signal which of these systems to respond?

Which human organ system produces most of the hormones that regulate body functions?

During which process does genetic material come from two parents?

If a hydra reproduce asexually at the same rate, how many organsms will there be after 50 hours?

What advantage does a species that reproduces sexually have over a species that reproduces asexually?

Which example would result in new cells that are most different from the parent cells?

Chromosome is to nucleus as DNA is to -

What is the function of DNA in a cell?

The basic life functions of an organism are carried on by -

One important difference between living things and nonliving things is that only living things have

According to the cell theory, all organisms extract energy from food to sustain life. Which body system is primarily responsible for ensuring that cells have the energy they need available to them?

Which of the following examples represents a chemical change that occurs in the mouth during digestion?

IN the large intestine, excess water is removed from waste before it is removed from the body. Why is this an example of a physical change that occurs during digestion?

Which process involves choosing certain organism to reproduce with one another in order to pass on specific, desirable traits to their offspring?

Which situation is the best example of ecological succession?

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