Caves are formed by the actions of

acid rain

plant roots

river water

groundwater

A student is performing a gram stain of a mixed culture of both e. coli and s. aureus and he forgets to decolorize with ethanol. what should his slide look like?

Describe interactions between organisms within an ecosystem. Give an example of a specific relationship that organisms may have, and how this relationship affects the ecosystem.

Explain four unique properties create an environment hospitable to life

Which property of water makes it good at regulating temperature?

Why can a single redwood tree be thought of as an entire ecosystem? because a single redwood is bigger than some ecosystems because a single redwood can support many other species of organisms because redwoods are autotrophic producers in ecosystems

What does the range of a population tell you that density does not?

Which of the following gasses is necessary for photosynthesis, but is especially damaging in terms of global warming when it is too common? carbon dioxide hydrogen nitrogen oxygen

Name the first step in urine formation where substances in the blood pass through the filtration membrane

Habitat destruction is a disadvantage of geothermal energy. T or F

As mentioned that the brain contains at least 100 billion neurons, more than a person needs, the brain going through rapid growth has transient exuberance which needs pruning. Why does the brain need to be pruned?