The distribution of biodiversity is:
AHighest at the poles and decreases towards the equator
BHighest at the equator and decreases towards the poles
CUniform across the Earth
DRandom, depending only on rainfall
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Related Questions:
What is the sublittoral zone also known as?
Select the correct statements regarding the role and function of saprotrophs in an ecosystem.
- Saprotrophs, also known as decomposers or reducers, break down complex organic compounds from dead matter.
- Unlike consumers, saprotrophs ingest their food directly before digestion.
- They play a crucial role in mineralization, returning essential nutrients and minerals to the substratum for reuse by producers.
- Saprotrophs secrete digestive enzymes onto dead organic material to break it down externally before absorbing nutrients.
Identify the factors contributing to the high oxygen content in the surface layer of water.
- High rates of respiration by aquatic organisms.
- Maximum production of oxygen through photosynthesis.
- Limited contact with the atmosphere, reducing oxygen diffusion.
- Presence of decomposers actively consuming oxygen.
വംശനാശഭീഷണി നേരിടുന്ന ജീവിവർഗ്ഗങ്ങളെക്കുറിച്ചുള്ള വിവരങ്ങൾ നൽകുന്ന പ്രധാനപ്പെട്ട പുസ്തകം ഏതാണ്?
Which of the following statements accurately describe summer stratification in temperate lakes?
- Summer stratification is a phenomenon where lakes develop distinct temperature layers.
- In temperate regions, thermal stratification is rare and only occurs in very deep lakes.
- The top meter of the water surface absorbs approximately 90% of solar radiation, leading to its significant heating.
- Tropical lakes exhibit pronounced summer stratification due to slow mixing rates.