Approximately how far do lithospheric plates move in a year?

Dehydration means water loss. synthesize means to put together. explain why the chemical process responsible for building a carbohydrate, a fat or a protein is called dehydration synthesis?

True or false darwin and haeckel used the analogy of a wheel to represent phylogenies.

Normally penetration of the egg by the sperm cell signals the start of the developmental process. What can replace this signal when no sperm are involved?

On your house plants, you had a huge population of herbivorous spider mites with a color polymorphism. Homozygous recessive individuals are black and indicated as rr. The other allele exhibits complete dominance over the r allele.

In the F1 generation of a Mendelian cross, A. only the dominant trait is visible. B. only the recessive trait is visible. C. neither the dominant nor recessive trait is visible. D. both the dominant and recessive traits are visible.

Why can't astronomers measure the parallax of a star that is a million light years away?

An advantage of using an electromagnet, instead of a regular magnet to move cars in a junk yard is then an electromagnet can easily be turned on and off. True or False.

All of the following are examples of limiting factors in an ecosystem except: A. Space B. Food C. Population density D. Water

Why is the inside of a frogs stomach folded?

Which formation stores groundwater? A. water table B. reservoir C. pond D. aquifer