basic concept of biological sciences

QUESTION 1

1. Which of the following plants is a dicot angiosperm?

   		Pea
   		Corn
   		Pine tree
   		Fern

QUESTION 2

1. tRNAs are used by cells to make which of the following?

   		Fat
   		Carbohydrate
   		Protein
   		Vitamins

QUESTION 3

1. Which is an accessory organ to the digestive system?

   		Esophagus
   		Small intestine
   		Large intestine
   		Liver

QUESTION 4

1. Photoperiodism mean plants are responding to which of the following?

   		The amount of sugar the leaves make
   		The number of hours of light in a day
   		Pruning
   		Temperature

QUESTION 5

1. The black-throated blue warbler helps trees grow because they do which of the following?

   		Provide nutrient rich droppings
   		Eat insects that kill the trees
   		Help spread tree pollen
   		Preventing the spread of tree fungus

QUESTION 6

1. Which of the following are the reproductive organs of angiosperms?

   		Stems
   		Leaves
   		Roots
   		Flowers

QUESTION 7

1. Which type of tissue insulates and protects organs, as well as connecting the skin to underlying structures?

   		Fibrous
   		Adipose
   		Cartilage
   		Bone

QUESTION 8

1. A negative feedback loop regulates which of the following?

   		Height
   		Weight
   		Blood glucose levels
   		Birth

QUESTION 9

1. Dinosaurs lived during which of the following?

   		Precambrian era
   		Paleozoic era
   		Mesozoic era
   		Cenozoic era

QUESTION 10

1. Humans belong to which class?

   		Chordata
   		Mammalia
   		Primates
   		Homo

QUESTION 11

1. Explain the role of the consumer in fostering environmentally supportive agricultural practices.

   Your response must be a minimum of 75 words.

QUESTION 12

1. Briefly describe what an allele is, then discuss the differences between dominant and recessive alleles. Provide an example of each type of allele in your discussion.

   Your response must be a minimum of 75 words.

QUESTION 13

1. What are carbohydrates and how are they used by the body? How do complex carbohydrates differ from regular carbohydrates? List five foods that are rich in carbohydrates.

   Your response must be a minimum of 75 words.

QUESTION 14

1. What are Darwin’s four observations concerning natural selection? List and briefly explain each one with an example. How does natural selection impact evolution?

   Your response must be a minimum of 200 words.

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