As one organism eats another, toxins can be spread throughout the food chain.

Question

(1 point)
Responses

True
True

False.

Answer 1

True. As one organism eats another, toxins can accumulate and spread throughout the food chain, a process known as biomagnification.

Answer 2

The problem with DDT in the environment is that it decomposes quickly.

(1 point)
Responses

True
True

False

Answer 3

False. The problem with DDT in the environment is that it does not decompose quickly; rather, it is persistent and can remain in the environment for many years, leading to accumulation and harmful effects in ecosystems.

Answer 4

The Bald Eagle was put on the endangered species list because of the effects of DDT.

(1 point)
Responses

True
True

False
False

Answer 5

True. The Bald Eagle was put on the endangered species list largely due to the effects of DDT, which caused thinning of eggshells and significantly reduced their reproductive success.

Answer 6

oxic bacteria are not a problem to the native food chain of the Great Lakes.

(1 point)
Responses

True
True

False

Answer 7

False. Toxic bacteria can pose significant problems to the native food chain of the Great Lakes, affecting water quality and impacting the health of aquatic organisms.

Answer 8

Mad Cow disease, or BSE, affects the animals’ respiratory function.

(1 point)
Responses

True
True

False
False

Answer 9

False. Mad Cow disease, or BSE (Bovine Spongiform Encephalopathy), primarily affects the brain and nervous system of cattle, leading to neurological symptoms rather than respiratory function.

Answer 10

Cattle are herbivores by nature, and feeding herbivores a diet for carnivores may have triggered a protein reaction known as a prion, causing Mad Cow disease.

(1 point)
Responses

True
True

False
False

Answer 11

True. Cattle are herbivores by nature, and feeding them a diet that includes animal protein (from carnivores) is believed to have triggered the development of abnormal proteins known as prions, which lead to Mad Cow disease (BSE).