Biology, 28.11.2019 20:31, jayleengrant
Nematodes and arthropods are the largest ecdysozoan phyla. which of the following statements are true? select all that apply.
a). both nematodes and arthropods must molt in order to increase in size.
b). arthropods possess an open circulatory system.
c). arthropods are named for their jointed appendages.
d). nematodes possess a closed circulatory system.
e). both nematodes and arthropods possess an external covering or cuticle.
f). the cuticle in nematodes lengthens as the animal grows.
g). both nematodes and arthropods have segmented body plans.
h). nematodes are acoelomate, whereas arthropods are coelomate.
i). some nematodes are parasitic on humans.
Answers: 2
Biology, 22.06.2019 07:00, Bengynease2598
An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?
Answers: 3
Biology, 22.06.2019 18:30, mdiaz487
Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions
Answers: 2
Nematodes and arthropods are the largest ecdysozoan phyla. which of the following statements are tru...
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