The leeches used by doctors to prevent blood clotting and stimulate the growth of blood vessels in patients recovering from reconstructive surgery are members of the phylum
A) Arthropoda.
B) Nematoda.
C) Annelida.
D) Platyhelminthes.
E) Cnidaria.
C
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What is the term for similar cells that are organized together with a common function?
a. organ b. interstitial organization c. tissue d. organism e. extracellular matrix
Diastolic pressure is the lowest blood pressure in the aorta
1.True 2.False
You arrive back in the United States after having visited a foreign country located on another continent. The customs agent stops the person in front of you and confiscates the fruit basket this person is bringing home
Being the knowledgeable person you are, you calmly explain to your enraged fellow traveler that the reason for the detainment is that the fruit basket may be ________. A) carrying endangered fruit B) carrying a non-native species that could damage North American ecosystems C) contaminated with CFCs that will damage the ozone layer above North America D) contaminated with sufficient DDT to cause serious harm to anyone who eats the fruit
Why does Loring Brace oppose and George Gill support the concept of biological races in humans? Make sure to summarize the scientific evidence used by each scientist?
What will be an ideal response?