31. The appendicular skeleton includes
- A. pectoral and pelvic girdles
- B. forelimbs, skull and pectoral girdle
- C. lungs and ribs
- D. skull and the vertebral column
Reveal Answer
32. The protista that is a producer is an aquatic food chain is
- A. trypanosome
- B. paramecium
- C. chamydomonas
- D. amoeba
Reveal Answer
33. Which scenario would cause a covalent bond to form?
- A. Two atoms share electrons so they can fill their outer shells
- B. The constant motion of electrons and the creation of charge imbalances bonds two molecules together
- C. A hydrogen atom with a slight positive charge is attracted to a negative charge of another molecule or atom
- D. One atom loses one or more electrons and the other atom gains one or more electrons
Reveal Answer
34. The difference in structure, morphological and behavior of plant and animal is called
- A. adaptation
- B. evolution
- C. variation
- D. succession
Reveal Answer
35.
Use the diagram to answer the question that follows
The structure is adapted for
- A. omnivores
- B. herbivores
- C. canivores
- D. omnivores and canivore
Reveal Answer
36. The product after the union of the male and female gamete in animals is called
- A. sperm
- B. egg
- C. embryo
- D. zygote
Reveal Answer
37. The possession of scales, laying of eggs with shells and bony structure of the head are characteristics shared by
- A. birds and reptiles
- B. fishes and birds
- C. reptiles and fishes
- D. birds and molluscs
Reveal Answer
38. The lungs of the lung fish is an adaptation for respiration _______?
- A. to complement gills while in water
- B. to complement gills while on land
- C. while on land
- D. while in water
Reveal Answer
39. Which of the following is an example of active transport?
- A. Oxygen exchanging between red blood cells and liver cells
- B. Carbon dioxide exchanging between muscle cells and red blood cells
- C. Water moving out of the small intestine
- D. Sodium being reabsorbed in the kidney
Reveal Answer
40. The key event in the transition of the amphibians from water to land is the ________
- A. replacement of the gills with lungs
- B. possession of webbed limbs
- C. limbs
- D. possession of tympanic membrane
Reveal Answer
