38. The statement best describes the relationship between plantsand animals on earth is
______________________.
A) plants produce O2 and sugars from CO2 B) animals produce CO2 andH2O from sugars and O2 C) plants produce O2 and sugars and animalsproduce CO2 and H2O D) animals produce O2 and sugars and plantsproduce CO2 and H2O
39. What do plants and animals have in common?
A) They are both heterotrophic. B) They are both autotrophic. C)They are both prokaryotic. D) They are both eukaryotic. E) The areboth hydrophobic
40. The innermost electron shell of an atom holds a maximum of________ electrons.
A) 2 B) 4 C) 6 D) 8 E) 10
41. Elephants travel long distances in search of food. Usingvibrations felt in the ground, family members traveling separatelycan communicate with each other. Based on your knowledge ofevolution, the ability to communicate over long distances probablydeveloped ___________________________.
A) slowly over millions of years B) by accident C) over a ten yearperiod D) as a strategy to decrease reproduction E) as a way tocommunicate with humans
42. The plasma membrane is _____________________.
A) completely permeable B) selectively permeable C) impermeable D)found only in eukaryotic cells E) found only in prokaryoticcells
43. Humans are composed of ______ cells.
A) prokaryotic B) bacterial C) eukaryotic D) viral E) fungal
44. Certain fungi that are important in nutrient recycling becausethey release nutrients from dead organisms back into the ecosystemare _____________________.
A) producers B) consumers C) decomposers D) recyclers E)feeders
45. Humans are ______.
A) ecosystems B) consumers C) decomposers D) cells E)producers
46. One of the end products of respiration is _____________.
A) glucose B) starch C) sucrose D)water E) oxygen
47. A protein molecule which is denatured, has__________________________.
A) split into smaller molecules B) changed its shape C) combinedwith another molecule D) been diluted..
48. ___________________ is the term that refers to theenergy-requiring movement of a substance across a biologicalmembrane .
A) facilitated diffusion B) active transport C) osmosis D)diffusion E) endocytosis
49. All of the following are characteristics of life except_____________________________________.
A) growth B) homeostasis C) movement D) reproduction E) energyuse
50. In the scientific method, a hypothesis __________.
A) is a statement of fact B) makes a prediction that can be testedC) is usually proven to be correct D) can only be tested once E)all of these Complete ALL of the blanks in this section exam.Fill-in each blank with the appropriate word(s) to complete thesentences. Each completed sentence is worth 1 point.
38. The statement best describes the relationship between plantsand animals on earth is
______________________.
A) plants produce O2 and sugars from CO2 B) animals produce CO2 andH2O from sugars and O2 C) plants produce O2 and sugars and animalsproduce CO2 and H2O D) animals produce O2 and sugars and plantsproduce CO2 and H2O
39. What do plants and animals have in common?
A) They are both heterotrophic. B) They are both autotrophic. C)They are both prokaryotic. D) They are both eukaryotic. E) The areboth hydrophobic
40. The innermost electron shell of an atom holds a maximum of________ electrons.
A) 2 B) 4 C) 6 D) 8 E) 10
41. Elephants travel long distances in search of food. Usingvibrations felt in the ground, family members traveling separatelycan communicate with each other. Based on your knowledge ofevolution, the ability to communicate over long distances probablydeveloped ___________________________.
A) slowly over millions of years B) by accident C) over a ten yearperiod D) as a strategy to decrease reproduction E) as a way tocommunicate with humans
42. The plasma membrane is _____________________.
A) completely permeable B) selectively permeable C) impermeable D)found only in eukaryotic cells E) found only in prokaryoticcells
43. Humans are composed of ______ cells.
A) prokaryotic B) bacterial C) eukaryotic D) viral E) fungal
44. Certain fungi that are important in nutrient recycling becausethey release nutrients from dead organisms back into the ecosystemare _____________________.
A) producers B) consumers C) decomposers D) recyclers E)feeders
45. Humans are ______.
A) ecosystems B) consumers C) decomposers D) cells E)producers
46. One of the end products of respiration is _____________.
A) glucose B) starch C) sucrose D)water E) oxygen
47. A protein molecule which is denatured, has__________________________.
A) split into smaller molecules B) changed its shape C) combinedwith another molecule D) been diluted..
48. ___________________ is the term that refers to theenergy-requiring movement of a substance across a biologicalmembrane .
A) facilitated diffusion B) active transport C) osmosis D)diffusion E) endocytosis
49. All of the following are characteristics of life except_____________________________________.
A) growth B) homeostasis C) movement D) reproduction E) energyuse
50. In the scientific method, a hypothesis __________.
A) is a statement of fact B) makes a prediction that can be testedC) is usually proven to be correct D) can only be tested once E)all of these Complete ALL of the blanks in this section exam.Fill-in each blank with the appropriate word(s) to complete thesentences. Each completed sentence is worth 1 point.
