With __________, gametes are typically released into water. Fill in the blank(s) with the appropriate word(s)
external fertilization
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The chemical oxygen demand (COD) of a body of water is determined using a(n)
A) microelectrode. B) oxygenator. C) spectrophotometer to determine the OD540nm. D) strong oxidizing agent.
What do you know about specifically inhibiting one class of receptors? What other information is related to the question?
What will be an ideal response?
The location of a gene on a chromosome is the ____
a. genotype b. phenotype c. locus d. allele e. histone
The sharp, inch-long thorns of the crown-of-thorns sea star are its spines. These spines, unlike those of most other sea stars, contain a potent toxin
If it were discovered that crown-of-thorns sea stars do not make this toxin themselves, then the most likely alternative would be that this toxin is _____. A) derived from the nematocysts of its prey B) absorbed from the surrounding seawater C) an endotoxin of cellulose-digesting bacteria that inhabit the sea star's digestive glands D) injected into individual thorns by mutualistic corals which live on the aboral surfaces of these sea stars