21) A predator has exhausted Skunk with white stripe Frog with yellow spots Inse

Question

21) A predator has exhausted Skunk with white stripe Frog with yellow spots Insect with brown body Lizard with blue stripes None of the above its supply of prey. This predator should shift its feeding focus to 22) A grass species affects temperature, moisture, sunlight input, and consequenty creates ne ecological niches due to its high population density. How would you describe the role of this grass species? Carrying capacity speciles Foundation species Dominant species Engineering species Keystone species 23) Your conservation biology team has received funding to accelerate primary succession in a severely disturbed habitat. What action would be the most beneficial? Add autotrophs Add nutrients Add heterotrophs Add water None of the above 24) What disturbance has selected for tree species that maintain most of their biomass underground? Carnivory Tornado Hail Fire Flooding 25) According to the area effect hypothesis- Primary producer populations typically are stable over generations Secondary consumers limit the density of primary consumer populations A small stream has fewer species compared to stream larger in size Dominant species removal increases the total number of species Dominant species removal decreases the total number of species

Explanation / Answer

Ans-21-option e is correct I.e. none of above.all the animal in other options are at high level in a food chain as compare to prey.

Ans-22- option d is correct I.e. engineering species because they are modifying the habitat.

Ans-23-option a is correct I.e. add autotrophs because autotrophs make the soil good for big trees.

Ans-24-option a is correct I.e. carnivore.

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