Hw Question Quiz #4

Which row in the chart below best describes decomposers? (August 2013)

2

Which graph best shows changes in a population of yeast that develops in a test tube and completely consumes a limited supply of food? (August 2014)

3

Which row in the chart below correctly pairs a food molecule with its building block? 1 : Starch and Amino Acid 2 : Sugar and Starch 3 : Protein and Amino Acid 4 : Amino Acid and Sugar

3

Many families now use compost to make the soil in their gardens more fertile. They collect vegetable scraps and yard trimmings, place them in a compost pile or special container, and let them decompose. The organisms primarily responsible for decomposing the vegetable scraps and yard trimmings are (January 2014)

Bacteria and Fungi

Base your answer to the question on the diagram below, which represents an ameba engulfing bacteria, and on your knowledge of biology. This ameba would most likely be classified as a

Consumer

Tissues of oleander plants contain chemicals that are poisonous to many mammals. The production of these poisonous chemicals most likely benefits oleanders by preventing leaf loss caused by (January 2014)

Herbivores

Base your answer to the question on the diagram below and on your knowledge of biology. The diagram represents a food web. Identify two herbivores that compete for food in the food web above. (August 2014)

Mice and Crickets

Which type of organism helps to reduce atmospheric carbon dioxide? (June 2013)

Producers

A food web is represented in the diagram below. If the fish population decreases, what is the most direct effect this will have on the aquatic ecosystem?

The zooplankton population will increase in size.

Which statement best describes the role of decomposers? (June 2014)

They break down organic compounds into products used by other organisms.

Base your answer to the question on the diagram below, which represents an ameba engulfing bacteria, and on your knowledge of biology. The activity taking place is

heterotrophic nutrition

Autotrophs might survive when heterotrophs cannot, because autotrophs are able to (June 2014)

make their own food

Which process uses energy to combine inorganic molecules to synthesize organic molecules?

photosynthesis

An ameba is a single-celled organism. It uses its cell membrane to obtain food from its environment, digests the food with the help of organelles called lysosomes, and uses other organelles to process the digested food. From this, we can best infer that

structures in amebas have functions similar to organs in multicellular organisms