Question

1.The genetic engineering of crops is a controversial and debated issue in the media and press. Which of the following would be an argument in favor of the genetic engineering of corn?
*
A.improved nutritional content
B.increased crop yields
C.reduction of pesticide use
D.all of these
2.Look at the food web shown below. Which organisms get energy from producers?*

squid
zooplankton
sperm whales
Phytoplankton

3.Some people have attached ear lobes and some people have free ear lobes. The differences in these traits are caused by*

differences in environment.
differences in personality.
differences in diet.
differences in genes.

4.Relationships between organisms may be beneficial or detrimental. Which of the following examples shows a relationship in which both organisms benefit?*
A.A tick attaches itself to the skin of a dog and takes a blood meal.
B.A female black widow spider
Latrodectus mactans mates with a male spider; then, she consumes him.
C.An African wasp Certolsolen arabicus pollinates a fig tree Ficus sycomorus as it eats the tree's nectar.
D.A species of hyena known as the aardwolf consumes termites for nourishment.

5.Many animals, including the brittle star and snapping shrimp, make their homes inside sea sponges. Here, the animals not only find safe shelter, but also have a constant flow of well-oxygenated water, and may even eat the substance produced by the sponges. The sponges are not affected in any way by the presence of these animals. Which type of relationship does this represent?
parasitism
predator/prey
mutualism
commensalism

Answer 1

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Answer 2

Please help with the exam

Answer 3

I'll have the answers in about 30 mins

Answer 4

1.D all of these

Answer 5

Guys please hurry up I only have a few hours to finish this or I fail 7th grade😟😟

Answer 6

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