During sexual reproduction, two sex cells fuse to create a fertilized cell with a complete set of chromosomes. What must be true about the number of chromosomes in each sex cell?

2. Which term describes the resting phase of the cell cycle? a. mitosis b. interphase c. prophase d. telophase

Arrange the organisms according to their position in the food web, starting with the autotrophs 1) Grass 2) Wolf 3) Beetle 4) Bird

How did the work of Mary Leakey contribute to our knowledge of early hominids and an understanding of human evolution?

Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the genotypes of the parents?

What is the most important part of the DNA molecule?

Milo is observing the things around his family's farm. He writes down four different resources and whether he thinks they are renewable or nonrenewable. The table below shows his notes.

A baby born from a caesarian section (an operation where the baby is removed surgically from the abdomen instead of a vaginal birth) would result in:

What are body waves?

Which of these is NOT considered to be an organic substance? A) carbohydrates Eliminate B) lipids C) metals D) proteins

Which one of the following remains intact after extensive decomposition and can be used to assist in personal identification of remains? A. Blood B. Hair C. Bones D. Muscle structure