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Questions in biology

[Free] What are three examples of macroscopic structures?

[Free] What problems might arise if a researcher fails to control the relevant variables in an experiment?

[Free] How do you calculate the total magnification of your objective lenses?

[Free] I am conducting a test to determine if there is a connection between how long you run and how fast your heart beats. I will perform an experiment where a person will run for 1 minute, and I will check their heart rate. Then, they will run for 2 minutes, and I will check their heart rate again. I will continue this up to 6 minutes and analyze if there is a connection. What do you think my hypothesis should be? What are my variables? Independent variable: Dependent variable:

[Free] What abiotic factors characterize salt marshes?

[Free] A comprehension test was given to students after they had studied textbook material either in silence or with the television turned on. Identify the independent and dependent variables.

[Free] A bacterium and amoeba are placed in different domains because A. a bacterium is single-celled B. an amoeba is photosynthetic C. an amoeba can move D. a bacterial cell is much simpler

[Free] What describes the steps you use during an experiment called?

[Free] How do fungi benefit from being able to reproduce both asexually and sexually?

[Free] What do all the life processes together comprise?