Is a group of species that includes an ancestral species and all of its descendants?

What best describe the sex chromosome in humans? A. Male have two X chromosomes. B. Females have two Y Chromosomes C. Male have two Y chromosomes D. Males have one X and one Y chromosomes.

How to reduce soil loss from water movement

What is the outcome of mitosis

Leaves need to be elevated so they are exposed so they are exposed to sunlight for photosynthesis. Which part of the stem grows to make this possible?

Which of the following statements is false? A) Dried bloodstains may tentatively be identified as blood by a peroxidase test. B) All bloods contain the enzyme peroxidase. C) A-B-O antigens are present in all human blood.

What kind of mixture is blood?

Give a basic definition of evolution as taught in this Unit 2. Answer should be at least 3 sentences long and include at least 4 key terms learned throughout the lesson.

RNA and DNA are similar because: a. both contain the sugar deoxyribose b. they are both composed of nucleotides c. both contain the nucleotide Uracil d. they are both always double-stranded helices

Chains of nucleotides from?

This is the energy stored as adipose tissue:.