- (6) 0 eorge Guinea Pig and Greta Guinea Pig decide to have a taby. George is heterozygous for his long hair, bu Greta has short hair.What are the chances of having a baby guinea pig with short hair? 1 100% 2 75% 3 50% 25%
- Which stage of meiosis occurs first? a anaphase I b metaphase I c prophase I d telophase I
- 1. What role does the hypothalamus play in temperature regulation? A) It stores heat B) It detects changes in body temperature C) It cools the skin directly D) It produces sweat 2. What is the primary mechanism the body uses to cool down whe overheated? A) Shivering B) Increasing heart rate C) Sweating D) Drinking cold water 3. How do blood vessels contribute to temperature regulation? A) They constrict to keep heat in B) They do not play a role C) They dilate to release heat D) They absorb heat from the environment 4. What happens to body temperature if the hypothalamus fails to function properly? A) Body temperature remains constant B) Body temperature may rise or fall uncontrollably C) The body will overheat D) The body will become too cold
- All the individuals of a species that live in a particular area are called a. variation. b. fossil. c. population. d. vestigial structure __ : A relationship in which one organism benefits and the other is unharmed a. commensalism b. analogous structure. c. homologous structure. d. fossil structure.
- In the secondary structure of proteins, hydrogen bonds between amino acids create: A Side groups B Alpha helixes and beta -pleated sheets C Disulfide bridges D Van der waals interactions E All of the above
