Iteroparous species tend to have... a. parental care of offspring b. short age t

Question

Iteroparous species tend to have...
a. parental care of offspring
b. short age to maturity

c. high offspring mortality

A population reaches a stable-age distribution when:
a. the birth rate is less than the death rate
b. the immigration rate exceeds the emigration rate
c. the net reproductive rate is zero
d. the population stops growing
e. the proportion of individuals in each age group remains thesame


When two different species use a portion of the same resourceat the same time, it is referred to as:
a. competitive exclusion
b. niche overlap
c. intraspecific competition


In theory, when two species compete for identical resources,_____ will result
a. coexistance
b. competitive exclusion
c. extinction of both species
d. intial competion followed by mutualism
e. paristism


Which is not an example of nutition mutualism?
a. ants and acacia trees
b. ants and fungus
c. bees-pollinated orchids
d. nitrogen fixing bacteria and legumes
e. zooxanthellae and corals Iteroparous species tend to have... a. parental care of offspring b. short age to maturity

c. high offspring mortality
A population reaches a stable-age distribution when: a. the birth rate is less than the death rate b. the immigration rate exceeds the emigration rate c. the net reproductive rate is zero d. the population stops growing e. the proportion of individuals in each age group remains thesame


When two different species use a portion of the same resourceat the same time, it is referred to as: a. competitive exclusion b. niche overlap c. intraspecific competition


In theory, when two species compete for identical resources,_____ will result a. coexistance b. competitive exclusion c. extinction of both species d. intial competion followed by mutualism e. paristism Which is not an example of nutition mutualism? a. ants and acacia trees b. ants and fungus c. bees-pollinated orchids d. nitrogen fixing bacteria and legumes e. zooxanthellae and corals

Explanation / Answer

Iteroparous species are those that have many reproductivecycles over their lifetime. Semelparity is the opposite, wherespecies only reproduce once before they die. stable-age distribution is exactly what it sounds like. e.g.percentage of 20 year olds, 50 year olds, 70 year olds remainsconstant over time. niche overlap is when two species compete for the samelimiting resource. intraspecific competition is competition within the samespecies. competitive exclusion says no two species can have a stablecoexistence if they occupy & compete in the same niche(either one species goes extinct or one species moves to a newniche) Mutualistic nutrition is when two species are in closeassociation and both species benefit. So for this question justlook up each species and see if they are benefiting from eachother. If one is being hurt in the relationship this is notmutualism. GOOD LUCK! =) Don't hesitate to message me if you need furtherclarification.

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