Measuring its costs and benefits in terms of energy spent and/or gained, which interaction(s) involve one individual gaining and one individual losing? Select all that apply
A. competition
B. predation
C. obligate mutalism
D. facultative mutalism
E. commensalism
B
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In flowering plants, gametes are produced by the process of mitosis
1.True 2.False
Using severed aphid mouthparts, scientists have verified that in most species the phloem translocates
mostly __________, but that __________ may also be translocated. a. glucose; amino acids b. glucose; sugar alcohols c. glucose; cellulose and starch d. sucrose; raffinose and sorbitol e. sucrose; glucose
Naked mole rats are haplodiploid.
Answer the following statement true (T) or false (F)
All seed plants are described as ________ because their sporophytes have two types of sporangia that produce sexually different spores.
A. Heterosporous B. Polypoids C. Homosporous D. Monoecious E. Dioecious