A Population of N1 species is growing with N2 species with a growth rate (r1) of 0.15 in an environment with a carrying capacity K1 of 400, Density of N1 species 100, density of N2 species 50 competitive efficiency of N2 on N1 species 1.5. What is the approximate growth rate N1 species?

#Question id: 10696

#Section 1: Ecology

In a new area two species A and B was discovered and taking energy from another species X and Y respectively. Following some is life history trait of species.

I- A species is often larger than X

II- Each A species taking energy from many X

III- One Y usually supports populations of B species

IV- Fatality of Y is Mild to severe

Which of the following is correct observation of above species?

#Question id: 10697

#Section 1: Ecology

Which of the following is correct observation of above species?

#Question id: 10698

#Section 1: Ecology

Parasite and predator have long been associated with their respective host and prey respectively. Which of the following is correct statement?

A. Body size of parasite is always smaller than host but predator usually larger than prey

b- Predator immediately kill their prey but parasite may or may not be kill their host

c- Intrinsic rate of parasite is faster than host but intrinsic rate of predator is slower than prey

d- Body association time between parasite and host is more than time association between predator and prey

#Question id: 10699

#Section 1: Ecology

Two plant species co-occur in a prairie. Species X always occurs near species Y. However, species Y often occurs in isolation from species X and produces more seeds when alone than when growing next to species X. Which of the following interactions between species X and Y could generate this pattern?

#Question id: 10700

#Section 1: Ecology

Which of the following most important conclusion from the graph?

#Question id: 10750

#Section 1: Ecology

Which of the following correct this model?