A scientist is testing a new plant food to see if it causes plants to grow faster. The scientist tests two plants with the new plant food, and two plants he grows without plant food. What is the independent variable?

How does your heart rate relate to the circulatory and digestive system?

What is the name of the substance that a transported sediment moves through? A. Fluid B Medium C. Glacier D. Erosion

Explain the importance of independent and dependent variables in an experiment.

Why is sti considered a scientifically controversial strategy?

Which body systems protects the body against foreign substances?

3. If carbon was the most common element found in the moons and planets, what element is missing that would make them similar to Earth? Explain why. (Hint: Think about the carbon cycle.)

The bulldog ant has a diploid number of two chromosomes. Therefore, following meiosis, each daughter cell will have a single chromosome. In addition to mutations, how might genetic diversity be generated in this species?

which of the following is meiosis (parent cell, DNA replicates, 2 daughter cell) or (parent cell, DNA replicates, 2 daughter cells, 4 daughter cells.)

Which of the following is not learned from studying fossils? If an animal ate meat or plants How species changed in the past How large extinct animals were, at one time What types of species will evolve in the future

How long would it take to die of botulism after symptoms start to appear?