How do the number of chromosomes occur in higher organisms? Give an example.

Why are covalent bonds form when an electron is completely lost or gained from an atom

Noe is studying Wave A and Wave B. Wave A is rated at 100 dB, and Wave B is rated at 90 dB. Which statement can be made about the waves? Wave A has fewer decibels than Wave B. Wave A is louder than Wave B. The intensity of both waves is the same.

Practice Section 3-2 1. Which of the following statements is true about prokaryotic cells? a) All prokaryotic cells grow and reproduce. b) All prokaryotic cells have cell membranes and cytoplasm. c) All prokaryotic cells lack a nucleus.

What cells are involved in the process of spermatogenesis?

Which of these factors is associated with sustainable farming? A. Desertification B. Monoculture C. Intensive farming D. Food security

How are centipedes adapted for a predatory way of life?

A small, dense planet made of rocky and metallic materials are called

What are some sources of oxygen

A longshore current flowing southwards along a coast will primarily transport sediments

How much does an elephant weigh?