A tadpole will lose its tail as it grows into an adult. Which cell structures in the tail of a tadpole cause this change to occur?

Which group of organisms is most closely related to archaebacteria) animalia b. fungi c. plantae d. protista?

Why do scientists classify organisms?

Give one example of how urbanization affects ecosystems

What simple sugar is produced

What biogeochemical cycle is least dependent on biotic processes

Unlike minerals such as iron and calcium, protein is a macronutrient in the human diet. Why is protein a macronutrient?

Energy drinks have become increasingly popular. Somebody's trying to contain large amounts of caffeine which is known to increase heart rate in most individuals. This effect on the heart rate can be Dangerous because it can lead to

Which statement describes an activity of a decomposer? A) a mushroom digests and absorbs nutrients from organic matter?

How does science works

Of the following, which is NOT characteristic of vascular plants? A cell walls B roots C Limited range in height D xylem