Island biogeography predicts that a single large area would have higher biodiversity than several small areas. However, in practice, several small areas could have an advantage for what reason(s)? Check all that apply.
_____ Facilitating the spread of disease
_____ Decreasing extinction risk from natural disasters
_____ Being less expensive
_____ Containing more habitat types
_____ Minimizing edge effects
_____ Facilitating the spread of disease
__X__ Decreasing extinction risk from natural disasters
_____ Being less expensive
__X__ Containing more habitat types
_____ Minimizing edge effects
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Amyotrophic lateral sclerosis (ALS) disrupts
muscle contraction by a. binding actin. b. blocking myofibril. c. killing motor neurons. d. weakening myofilaments. e. none of these.
Specific cells of diploid sporophytes undergo meiosis to produce
A) haploid, single-celled spores. B) haploid, single-celled gametes. C) diploid, multicellular spores. D) a diploid, single-celled zygote. E) diploid, multicellular gametes.
Answer the following questions true (T) or false (F)
1. Hot weather is common to all deserts. 2. Tropical rainforests are known for having high biodiversity but relatively poor soil. 3. Overall, the abundance of life is higher in the coastal zones of marine ecosystems than the open ocean.
Children with Bruton-type agammaglobulinemia are highly susceptible to recurrent bacterial infections.
Answer the following statement true (T) or false (F)