What is the difference between pollination and fertilization in flowering plants?
A) Fertilization precedes pollination.
B) Pollen is formed within megasporangia so that male and female gametes are near each other.
C) Pollination is the transfer of pollen from an anther to a stigma. Fertilization is the fusion of haploid nuclei.
D) If fertilization occurs, pollination is unnecessary.
Answer: C
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Which of the following would result in tetanus?
A. stimulating the muscle fiber so frequently that it cannot relax at all B. allowing a muscle fiber to relax for several seconds between twitches C. stimulating a muscle fiber to contract immediately after it has relaxed D. stimulating a muscle fiber to contract when it has partially relaxed E. Any of the other answer options would result in tetanus.
Identify the crustaceans in this group. Check all that apply.
_____ krill. _____ barnacles. _____ ostracods. _____ pill bugs. _____ horseshoe crabs.
How would reducing the load of antibiotics in our everyday environment reduce the number of antibiotic-resistant bacteria?
What will be an ideal response?
In severe cases of Rocky Mountain spotted fever, the enlarged lesions of the rash can become necrotic and predispose the patient to gangrene of toes and fingertips.
Answer the following statement true (T) or false (F)