If asked to find the cause of regular fluctuations in a population's size not associated with seasonal environmental variation, you would probably first seek evidence for: 

#Question id: 10856

#Section 1: Ecology

By inhibiting sexual reproduction by their hosts, what advantage is gained by parasites such as endophytic fungi?

#Question id: 10633

#Section 2: Evolution

Following some characteristic feature of r selected species

A. late maturity

B. Provision of parental care

C. High mortality during early stages of life

D. large clutch size

What is the above combination is correct?

#Question id: 10676

#Section 2: Evolution

For a pair of interacting species, increased specialization and decreased niche breadth in both species would result in

#Question id: 11765

#Section 1: Ecology

The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998. Based on these population estimates, what is your estimate of λ, the annual rate of geometric growth?

#Question id: 11774

#Section 1: Ecology

If environmental variation is common, individuals with certain life history strategies have higher fitness. An example is: __________.