Within a trophic level, this term refers to groups of species that feed on similar resources and often have similar ways of life.

#Question id: 16784

#Section 3: Mathematics and Quantitative Ecology

#Question id: 4651

#Section 2: Evolution

Some members of a photosynthetic plant species are genetically resistant to an herbicide, while other members of the same species are not resistant to the herbicide. Which combination of events should cause the most effective replacement of the non-herbicide-resistant strain of plants by the resistant strain?

1. The presence of the herbicide in the environment

2. The absence of the herbicide from the environment

3. The maintenance of the proper conditions for one generation

4. The maintenance of the proper conditions for many generations

#Question id: 11772

#Section 1: Ecology

Which of the following statements correctly describes the relationship between growth and fecundity in an indeterminate organism?

#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: 16848

#General Aptitude