What is a Solar Eclipse

Sickle-cell disease is a debilitating disease that results from being homozygous recessive for the "sickle-cell allele" of a hemoglobin gene. Why is the allele present and even common in many human populations?

I have a very low metabolism, I never see light and I am a very small organism. The temperature of my environment is constant and I don't need much to eat to survive. What is my Ecosystem? Group of answer choices aquifer pond estuary swamp

How is biology a interdisciplinary study

Most people are lactose intolerant as adults, but nearly everyone produces sufficient lactase as an infant. however, in some cases, genetic mutations can occur that make an infant lactose intolerant.

What criteria does scientists use to classify plants?

climate has changed in the past due to A. earthquakes and D. milankovitch cycles B. air pollution E. global warming C. plate tectonics F. lunar phases

What is the largest structure ever made by life on Earth

How is it possible that the F2 generation offspring had some short plants when the F1 generation had no short plants on Mendel's Expirement?

Does the specimen have a depressed body?

Is the smallest particle of a substance that has all the properties of the substance.