How can you use fossils to determine the environment an organism lived in

When Mendel discovered inherited traits, one trait he looked at was the height of bean plants. The offspring of two tall bean plants was likely to be tall itself.

Compare the formation of minerals by evaporation with those that crystallize directly from seawater and those that crystallize from magma.

Why are there usually fewer organisms at the top of an energy pyramid

Many substances move through cell membranes from areas of higher concentration to areas of lower concentration in the process of

What is the second step of cellular respiration

Some abnormal gene disorders are: a. Duchenne muscular dystrophy and fragile X syndrome b. cystic fibrosis and sickle-cell anemia c. PKU and autism d. meningitis and sickle-cell anemia

In food molecules the energy is stored in the

Fungi tend to reproduce sexually when nutrients are limited or other conditions are unfavorable, but they reproduce asexually in more ideal conditions. Why is this strategy successful?

How are proteins transported out of the endoplasmic reticulum to the Golgi apparatus

When did eukaryotes first appear on Earth?