Q: What type of protein speeds up chemical reactions in cells? Choices: - hemoglobin - lipids - collagen - enzyme A:
enzyme

(Question)
Q: A tadpole turns into what land mammal? Choices: - a morph - A tortoise. - a pod - a frog A:
(Answer)
a frog

Ques: Q: Most of the energy used by living things comes either directly or indirectly from what? Choices: - plants - the moon - the soil - the sun A:
Ans: the sun

(Q).
Q: Where are most of the organs contained in insects? Choices: - head - appendages - thorax - the abdomen A:
(A).
the abdomen

Ques:Q: Vertebrates also require relatively large quantities of calcium and phosphorus for building and maintaining what? Choices: - brain cells - blood - metabolism - bone A:

Ans:bone

Q: Not surprisingly, what is the function of the most developed part of a bird's brain? Choices: - controlling digestion - controlling breeding - controlling thought - controlling flight A:
controlling flight