Podcast
Questions and Answers
What is the birthrate per lotus plant per year after 8 new plants are added to a pond with 25 lotus plants?
What is the birthrate per lotus plant per year after 8 new plants are added to a pond with 25 lotus plants?
- 0.2 (correct)
- 0.3
- 0.4
- 0.5
In the logistic growth curve formula dN/dt = rN(1 - N/K), what do N and K represent?
In the logistic growth curve formula dN/dt = rN(1 - N/K), what do N and K represent?
- N - Immigration, K - Emigration
- N - Mortality, K - Natality
- N - Natality, K - Mortality (correct)
- N - Emigration, K - Immigration
Which of the following pairs does NOT represent an example of commensalism?
Which of the following pairs does NOT represent an example of commensalism?
- Clown fish and sea anemone
- Cattle egret bird and cattle
- Ticks and dogs (correct)
- Barnacles and whale
How many examples of competition are present in the given list below: Flamingo and fish, Cattle egret bird and cattle, Lice on Humans, Fig tree and wasp?
How many examples of competition are present in the given list below: Flamingo and fish, Cattle egret bird and cattle, Lice on Humans, Fig tree and wasp?
Which statements about biological concepts are correct? (i) Biological control methods rely on predator-prey relationships, (ii) Endoparasites live outside the host body, (iii) In Mediterranean orchids, flower petals mimic female bees, (iv) Co-evolution occurs in fig-wasp relationships.
Which statements about biological concepts are correct? (i) Biological control methods rely on predator-prey relationships, (ii) Endoparasites live outside the host body, (iii) In Mediterranean orchids, flower petals mimic female bees, (iv) Co-evolution occurs in fig-wasp relationships.
Which attributes belong to populations but not individual organisms? a. Birth rate b. Death rate c. Sex ratio d. Ovule production.
Which attributes belong to populations but not individual organisms? a. Birth rate b. Death rate c. Sex ratio d. Ovule production.
Which term refers to the amount of nutrients like carbon, nitrogen, phosphorus, and calcium present in the soil at a given time?
Which term refers to the amount of nutrients like carbon, nitrogen, phosphorus, and calcium present in the soil at a given time?
What constitutes the second trophic level in a lake ecosystem?
What constitutes the second trophic level in a lake ecosystem?
Which statement accurately describes productivity?
Which statement accurately describes productivity?
Which of the following statements is incorrect?
Which of the following statements is incorrect?
In population dynamics, what term refers to a relationship where one organism benefits while the other is harmed?
In population dynamics, what term refers to a relationship where one organism benefits while the other is harmed?
In the context of growth curves, which curve reflects a period of rapid and exponential growth followed by stabilization?
In the context of growth curves, which curve reflects a period of rapid and exponential growth followed by stabilization?
Which type of growth curve is exhibited after exponential population increase becomes stagnant?
Which type of growth curve is exhibited after exponential population increase becomes stagnant?
In the context of symbiotic relationships, what type of relationship is present between Mycorrhiza and plants?
In the context of symbiotic relationships, what type of relationship is present between Mycorrhiza and plants?
Which factors can affect the primary productivity of an ecosystem?
Which factors can affect the primary productivity of an ecosystem?
Which of the following statements about energy flow in ecosystems is incorrect?
Which of the following statements about energy flow in ecosystems is incorrect?
What chemical is produced by the Rauwolfia vomitoria plant?
What chemical is produced by the Rauwolfia vomitoria plant?
Which term describes a symbiotic relationship where one organism benefits while the other is harmed?
Which term describes a symbiotic relationship where one organism benefits while the other is harmed?
