Is a carrying capacity a fixed entity? Discuss the role of humans in regulating carrying capacity for the human species and in altering the carrying capacity for other species
What will be an ideal response?
While all organisms are subject to environmental resistance, they may be capable of altering their environment to reduce environmental resistance, or environmental conditions may change naturally to set a new carrying capacity. Humans can alter their own carrying capacity by finding resources and through technology, but other species have less flexibility in altering their carrying capacity. Humans often alter the carrying capacity for other species by altering climate encroaching on habitat and reducing breeding areas and food resources, and/or altering trophic structure within an ecosystem through hunting.
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When farmland is paved over by urban sprawl, the amount of fertile __________ is made unavailable for future use.
Fill in the blank(s) with the appropriate word(s).
What traps light energy in primary producers?
a. Photosynthetic b. Thylakoid c. Chlorophyll d. Biomass
_______________ is an informal term that encompasses all geologic time from 4.6 to 4.0 billion years ago
Fill in the blank(s) with correct word
Cyanide ion, CN-, is a stronger base than ammonia, NH3. When ammonia reacts with hydrocyanic acid, HCN, what species are present in the solution in the largest amount?
A) hydrocyanic acid, HCN, and ammonia, NH3 B) hydrocyanic acid, HCN, and ammonium ion, NH4+ C) cyanide ion, CN-, and ammonia, NH3 D) cyanide ion, CN-, and ammonium ion, NH4+