One way that a pollen grain can get to the stigma of a pistil

Suppose a drug is developed that blocks K + leakage channels. The drug prevents ions from passing through those channels. If this drug was applied to a neuron, what would be the most immediate effect on that neuron? 1.

You find that there are 47 species living within two miles of your house. This is known as a habitat a population extinctions species diversity

A substance that yields a cation plus the hydroxyl ion in water is a[n). salt acid

What event might occur when favorable adaptations build up in a population over many generations?

Scientists once classified protists based on whether they had plant-like, fungus-like, or animal-like characteristics. Why was this system problematic? A. Nearly all protists actually are members of the plant, fungi, or animal kingdom. B.

Read the paragraph, and then answer the question. The solid part of Earth is made of huge chunks called plates. These plates sometimes move. When this happens, earthquakes may occur.

I am living thing and i can carry out all life processes. what am i?

What happened to energy as it's passed through the food chain

A 37-year-old client of Native American/First Nations/Aboriginal descent visits the clinic for the first time. She is about 12 weeks pregnant, and this is her first pregnancy.

When changing lanes, you should: A. Adjust your speed to match traffic in the new lane B. Move over several lanes at once C. Wait until you're at an intersection to perform the maneuver