Which of the following may result from coral bleaching? O A. reduced rate of skeleton production. B. degradation of the gastrodermis O C. reduction in nutrition for coral D. All of the above O E. A & C only
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- Bats found with white-nose syndrome appeared to die because: a the fungal infection affected their wings so they could no longer fly b the fungal infection attacked the areas needed to maintain body temperature, so the bats froze to death c the fungal infection caused them to wake more often and use up their fat reserves, so they died of starvation d their immune system was suppressed, so they contracted other deadly infections e their torpor became so deep they could not wake from their hibernationDinoflagellates and provide nutrients from the products of photosynthesis to the corals in exchange for a safe place to live, the best description of this symbiotic relationship is A. mutualistic B. parasitic C. commensalParasitic flatworms can avoid their host’s immune response by employing which of the following? a. Diffusion b. Gastrodermal ingestion c. Epidermal shedding d. Copulation
- Nereis is not characterised by presence of a.Monoecious condition b.Ventral, paired, solid nerve cord c.Closed circulatory system d.Parapodia for swimming and respirationA mother was diagnosed with gonorrhea immediately after delivery. When providing nursing care for her baby. an important goal is to: Prevent the development of thrush Prevent development of ophthalmia neonatorum Lubricate the eyes Teach the danger of breastfeeding with gonorrheaWith which of the following is a dinoflagellate associated?(a) Most usually have flagella and can carry out photosyn-thesis.(b) Some produce toxins that accumulate in the bodies ofshellfish.(c) Blooms of dinoflagellates are known as the ‘‘red tide.’’(d) Inhalation of air that contains small quantities of dino-flagellate toxin can cause respiratory membrane irrita-tion in sensitive individuals.(e) All of the above are characteristics associated withdinoflagellates.
- Research has stated that there are factors that could affect the efficacy and duration of mosquito repellants on our skins. State at least 3 factors that could decrease or influence the efficacies of topical mosquito repellants and explain.Which of the following phyla has a two-ended gut? A. Cnideria. B. Nematoda. C. Platyhelminthes D. Porifera. E. A and C only. IT IS NOT EWhy might farmers and gardeners be concerned about nematodes? A. Some for "tent like" egg cases in trees, then the caterpillars that eat many of the leaves B. Some of they chew on roots, hurting the plants C. Pesticides kill the good nematodes and then the soil gets too compacted D. They are a beneficial natural way of controlling slugs because they parasitize slug eggs
- Cryptococcosis is associated witha. blowing winds b. plant debris c. pigeon droppings d. excavation of ancient dwellingsWhich of the following is not a characteristic of the agents of spongiform encephalopathies? a. highly resistant b. associated with tangled protein fi bers in the brain c. are naked fragments of RNA d. cause chronic transmissible diseaseA chytrid’s association with amphibiansa. is a mutualism, benefiting both participants.b. is an infection, not a symbiosis.c. is an example of a fungal-animal symbiosis.d. is an example of a lichen.