मराठी

A population has more young individuals compared to the older individuals. What would be the status of the population after some years? - Biology

Advertisements
Advertisements

प्रश्न

A population has more young individuals compared to the older individuals. What would be the status of the population after some years?

पर्याय

  • It will decline

  • It will stabilise

  • It will increase

  • It will first decline and then stabilise

MCQ

उत्तर

It will increase

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Organisms and Populations - MULTIPLE CHOICE QUESTIONS [पृष्ठ ९०]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 13 Organisms and Populations
MULTIPLE CHOICE QUESTIONS | Q 12. | पृष्ठ ९०

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Define the Stenothermal organisms


Competition between species leads to ________.


______ is the adaptation of an organism i which it matches its colour with its surroundings to get protected from predators.


Lichens showing relationship between alga and fungus is an example of ____________ type of interaction.


Give one example for the following type.

Phytophagous animal


Give one example for the following type.

Chemical defense agent


While living in and on the host species, the animal parasite has evolved certain adaptations. Describe these adaptations with examples.


"Abingdon tortoise in Galapagos islands became extinct within a decade on introduction of goats in the island." Explain giving reason.


"Some species of insects and frogs have evolved with various specific features that help them from being detected."

  1. Justify the statement giving reasons.
  2. Mention any two such features.

Observe the graph given below.

The graph represents inter-specific interaction between two species of Paramecia competing for the same resource in a culture medium. Paramecium caudatum and Paramecium aurelia were grown in separate cultures as well as in mixed cultures. It was found that each species grew in numbers according to the logistic equation.

a) Which species is competitively superior? Support it with the data provided in the graph.

b) State the underlying principle for the above result and name the scientist associated with this principle.

c) Explain the mechanism in which two or more species competing with each other can co-exist.

OR

Graphs A and B shown below depict interaction of two species. Which graph indicates Mutualism? Give reason.

A B

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×