Q: The vertebrate endoskeleton is made of bone and what tough, flexible tissue? Choices: - cuticle - collagen - synovial tissue - cartilage A:
cartilage

(Question)
Q: The vertebrate endoskeleton can also be called what? Choices: - structural skeleton - exoskeleton - deep skeleton - internal skeleton A:
(Answer)
internal skeleton

Ques: Q: Root-like projections anchor adults of what colony-dwelling animals to solid surfaces such as rocks and reefs? Choices: - anemones - corals - molluscs - sponges A:
Ans: sponges

(Q).
Q: Designed to exchange materials, what spongy structure consists of membranes and blood vessels from both mother and embryo? Choices: - endometrium - uterus - umbilicus - placenta A:
(A).
placenta

Ques:Q: What occurs when light bends as it passes from one type of matter to another? Choices: - vibration - reflection - resonance - refraction A:

Ans:refraction

Ques:Q: What is another word for thermal energy? Choices: - solar - humidity - temperature - heat A:

Ans:
heat