Some fish and amphibians have which detect electrical fields that them navigate through dark, murky waters. photoreceptors olfactory receptors electroreceptors thermoreceptors

Choose the molecule that is described by each phrase. energy used during long activities:

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.