ECO | MCQs

Explanation

Explanation

Grass carp require running water for breeding.

This environment is crucial for the successful spawning and development of their eggs.

As it helps maintain oxygen levels and water quality.

Explanation

The study of the interaction between organisms and their surroundings is called ecology.

ecology that deals with the study of interactions between biotic and abiotic factors of the environment

Explanation

If a plant has already become invasive in other regions.

It indicates a high potential to spread rapidly and outcompete native species in new environments as well.

Explanation

 In an ecosystem, a rabbit is classified as a primary consumer because it is ae

Explanation

Fossorial means digging or burrowing animals.

Explanation

Species diversity refers to the variety of species within a specific ecosystem, region, or the entire planet. It includes:

1. Species richness - The number of different species in a given area.

2. Species evenness - The relative abundance of each species in the area.

Explanation

Ecotones:

Ecotones are transitional areas between different ecosystems or biomes, where there's a change in species composition and abundance. 

Beta Diversity:

Beta diversity measures the difference in species composition between different habitats or communities, which is precisely what happens at an ecotone. 

Alpha Diversity:

Alpha diversity refers to the diversity within a single habitat or community. 

Gamma Diversity:

Gamma diversity refers to the total diversity across a region or landscape. 

Explanation

Phenology examines the timing of recurring natural events, such as the flowering of a plant, the arrival of a migrant bird, or the emergence of a caterpillar, with seasonal climatic changes. 

Explanation

In earthworms, the skin serves as the organ of respiration.

This type of respiration is called cutaneous respiration.

The skin is thin, transparent, moist and richly supplied with blood capillaries.