Hydra, anemones, and jellyfish are in the phylum
A) Flagellates.
B) Cnidaria.
C) Platyhelminthes.
D) Porifera.
E) Protista.
B
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Francis Galton, a contemporary of Charles Darwin, studied variation in complex traits such as human height. Using the bar graphs shown below, answer the following question:
Which of the following statements best describes graph (a), which depicts Galton's data showing distribution of offspring height from the tallest parents he studied? A. The parental mean for the tallest parents is larger than the mean height of their offspring. B. The parental mean for the tallest parents is smaller than the mean height of their offspring. C. The average height of the offspring from the tallest parents is not related to the average height of their parents. D. The average height of the tallest parents is not much more than the population mean height.
Burrowing animals allow oxygen to penetrate deeper into the sediment
Indicate whether the statement is true or false
Four of the five answers listed below are participants in a common function. Select the exception
a. sensory neuron b. medulla c. interneuron d. effector e. receptor
Through which of these structures does urine enter the renal pelvis?
What will be an ideal response?