Answer the following question given this paragraph: Most reptiles reproduce sexually and have internal fertilization. Males have one or two penises that pass sperm from their cloaca to the cloaca of a female. Fertilization occurs within the cloaca, and fertilized eggs leave the female's body through the opening in the cloaca. In a minority of species, the eggs are retained inside the female's body until they hatch. Then the offspring leave the mother's body through the cloaca opening. Q: How do most reptiles produce? Choices: - occasionally - biologically - asexually - sexually A:
sexually
(Question)
Answer the following question given this paragraph: Like hagfish, lampreys also lack scales, but they have fins and a partial backbone. The most striking feature of lampreys is a large round sucker, lined with teeth, that surrounds the mouth (see Figure below ). Lampreys use their sucker to feed on the blood of other fish species. Q: Lampreys possess a large round sucker, lined with teeth, that surrounds the mouth and is used to feed on what? Choices: - parasites - herbivores - marrow - blood A:
(Answer)
blood
Ques: Answer the following question given this paragraph: Towels soak up liquids like water because the fibers of a towel are made of molecules that are attracted to water molecules. Most cloth towels are made of cotton, and paper towels are generally made from paper pulp. Both consist of long molecules of cellulose that contain many OH groups. Water molecules are attracted to these OH groups and form hydrogen bonds with them, which draws the H2O molecules up the cellulose molecules. The water molecules are also attracted to each other, so large amounts of water are drawn up the cellulose fibers. Capillary action can also occur when one end of a small diameter tube is immersed in a liquid, as illustrated in Figure 10.20. If the liquid molecules are strongly attracted to the tube molecules, the liquid creeps up the inside of the tube until the weight of the liquid and the adhesive forces are in balance. The smaller the diameter of the tube is, the higher the liquid climbs. It is partly by capillary action occurring in plant cells called xylem that water and dissolved nutrients are brought from the soil up through the roots and into a plant. Capillary action is the basis for thin layer chromatography, a laboratory technique commonly used to separate small quantities of mixtures. You depend on a constant supply of tears to keep your eyes lubricated and on capillary action to pump tear fluid away. Q: What can occur when one end of a small diameter tube is immersed in liquid? Choices: - diffusion action - transfusion action - thermal action - capillary action A:
Ans: capillary action
(Q).
Answer the following question given this paragraph: The cell is the site of all of the basic biochemical processes that keep organisms alive. To do its work, the cell needs substances such as oxygen, water, and glucose. The cell also must get rid of substances, including wastes such as carbon dioxide. In addition, harmful substances must be kept out of the cell. Controlling what enters or leaves a cell is an important role of the cell membrane. Q: What structure is the site of all of the basic biochemical processes that keep organisms alive? Choices: - particle - Atom - Element - cell A:
(A).
cell
Ques:Answer the following question given this paragraph: Group 13 of the periodic table is also called the boron group because boron (B) is the first element at the top of the group (see Figure below ). Boron is also the only metalloid in this group. The other four elements in the groupaluminum (Al), gallium (Ga), indium (In), and thallium (Tl)are all metals. Group 13 elements have three valence electrons and are fairly reactive. All of them are solids at room temperature. Q: Group 13 of the periodic table is also called what? Choices: - nitrogen group - iron group - manganese group - the boron group A:

Ans:the boron group
Question: Answer the following question given this paragraph: (A) Natalie Lucier; (B) Gareth Haywood; (C) Lynn Greyling. Ice, liquid, and water vapor are the three phases of water . (A) CC BY 2.0; (B) CC BY 2.0; (C) Public Domain. Q: What are the three stages of water? Choices: - ice, rock, sky - vapor, earth, internal - liquid, underground, frozen - ice, liquid, vapor A:
Answer:
ice, liquid, vapor