Explain why males have deeper voices than females

Spiders are hermaphroditic. true or false

Edit: Nevermind! I figured it out! Use the information in the table to calculate the ages of the meteorites. The half-life of potassium-40 is 1.3 billion years. Meteorite Initial Amount (g) Final Amount (g) 1 30 7.5 2 80 5 3 100 12.

What were the origins of agriculture? There are few wild plants consumed widely anymore, especially in the developed countries. Most of the plants we eat as fruits, vegetables, and grains:

If a cell is place inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water?

Ernie took the following notes in class.-has a narrow focus - addresses a gap in knowledge-may lead to a hypothesis which is the best title a. scientific inquiry b scientific question c. hypothesis d. scientific method

Which structure is an example of a hinge joint?

Shivering and sweating are two techniques that mammals use to a) adapt to the temperature b) develop a rise in body temperature C) maintain homeostasis d) use excess energy

During the process of cellular respiration, energy is released from (1) carbon dioxide (3) water molecules (2) oxygen atoms (4) chemical bonds

Protist get energy by

10. What is a genotype? A an organism's combination of genes for a trait B an organism's appearance as a result of its genes C the ratio of dominant to recessive genes in an individual D the collection of dominant genes in an organism