Biology, 04.11.2020 21:20 19thomasar
Alma is walking in a park. Suddenly, a wild dog charges toward her. Alma is frightened. The ___ starts to respond by increasing her heart rate and dilating her pupils. After running for a few minutes, Alma realizes that the dog has fallen far behind. At this point, her ___ starts working to relax her body by slowing down her heart rate and constricting her pupils.
Options for #1:
Parasympathetic nervous system
somatic nervous system
Sympathetic nervous system
Options for #2:
Parasympathetic nervous system
somatic nervous system
Sympathetic nervous system
Answers: 3
Biology, 22.06.2019 18:00
Select the correct answer. for their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest reset next
Answers: 1
Biology, 22.06.2019 19:10
Which statement does lola need to correct, and why? a) statement 1 because spiral galaxies do not havearmsb) statement 2 because the bulges contain mostlyyoung red stars.c) statement 3 because the arms are made of mostlyyoung blue and blue-white stars.d) statement 4 because spirals galaxies contain littleto no dust.(c)
Answers: 1
Biology, 22.06.2019 20:30
Aspecies has evolved an asexual mode of reproduction by having offspring develop from unfertilized eggs. which of the following will be true of this species' response to natural selection? there will be more deaths from natural selection because there is no mutation. there will be less genetic variation from recombination and a risk of not adapting quickly to environmental change. the species will increase in numbers because genetic variation is increased. the species will compensate for loss of genetic variation by hybridizing with other species. there will be fewer deaths from natural selection because sexual recombination always leads to extinction.
Answers: 1
Biology, 22.06.2019 20:50
Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked
Answers: 1
Alma is walking in a park. Suddenly, a wild dog charges toward her. Alma is frightened. The ___ star...
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