Q: Lacking a bony endoskeleton, sharks, rays, and ratfish belong to what group of fish? Read this paragraph and choose the correct option from the provided answers: Cartilaginous Fish Cartilaginous fish include sharks, rays, and ratfish. Their endoskeleton is made of cartilage instead of bone. They also lack a swim bladder. However, they have a complete vertebral column and jaws. They also have a relatively big brain. shark. Choices: - invertebrates - crustaceans - freshwater fish - cartilaginous A:
cartilaginous

Q: What type of joint is the knee joint? Read this paragraph and choose the correct option from the provided answers: Hinge Joint. The knee joint is a hinge joint. Like a door hinge, a hinge joint allows backward and forward movement. Choices: - ball joint - pivot joint - condyloid joint - hinge joint A:
hinge joint

Q: When water goes above and below its freezing point, what rock-breaking phenomenon is common? Read this paragraph and choose the correct option from the provided answers: Rocks can break apart into smaller pieces in many ways. Ice wedging is common where water goes above and below its freezing point ( Figure below ). This can happen in winter in the mid-latitudes or in colder climates in summer. Ice wedging is common in mountainous regions like the Sierra Nevada pictured above. Choices: - ice locking - ice inverting - ice crushing - ice wedging A:
ice wedging

Q: What type of reproduction involves combining genetic material from two parents to create distinct offspring? Read this paragraph and choose the correct option from the provided answers: That is the main difference between sexual and asexual reproduction. Sexual reproduction is combining genetic material from two parents, usually from two gametes. How the two cells combine may take many forms, but does not necessarily involve physical contact. Sexual reproduction produces offspring that are genetically distinct from other offspring and from their parents. Asexual reproduction produces offspring from just one parent. These offspring are genetically identical to that one parent. Choices: - mild reproduction - bsexual reproduction - asexual reproduction - sexual reproduction A:
sexual reproduction