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Shilpi98
@shilpi98
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Joined: Dec 29, 2021
Last seen: Mar 10, 2022
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Topics: 2165 / Replies: 0
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Topic
(a) Label the three tiers 1, 2, 3 given in the above age pyramid. (b) What type of population growth is represented by the above age pyramid?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 195
Topic
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 170
Topic
In a pond, we see plants which are free-floating; rooted-submerged; footed emergent; rooted with floating leaves. Write the type of plants against each of them.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 203
Topic
Categorise the following plants into hydrophytes, halophytes, mesophytes and xerophytes. Give reasons for your answers.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 78
Topic
In a sea shore, the benthic animals live in sandy, muddy and rocky substrata and accordingly developed the following adaptations.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 71
Topic
Why do all the fresh water organisms have contractile vacuoles whereas, majority of marine organisms lack them?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 80
Topic
If a fresh water fish is placed in an aquarium containing sea water, will the fish be able to survive? Explain giving reasons.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 76
Topic
Why are coral reefs not found in the regions from? West Bengal to Andhra Pradesh but are found in Tamil Nadu and on the east coast of India?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 163
Topic
What is brood parasitism? Explain with the help of an example.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 112
Topic
Amensalism is an association between two species where
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 79
Topic
Formation of tropical forests needs mean annual temperature and mean annual precipitation as
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 81
Topic
Why do submerged plants receive weaker illumination than exposed floating plants in a lake?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 87
Topic
Define heliophytes and sciophytes. Name a plant from your locality that is either heliophyte or sciophyte.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 82
Topic
Why do all the fresh water organisms have contractile vacuoles whereas, majority of marine organisms lack them?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 71
Topic
If a fresh water fish is placed in an aquarium containing sea water, will the fish be able to survive? Explain giving reasons.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 121
Topic
Why are coral reefs not found in the regions from? West Bengal to Andhra Pradesh but are found in Tamil Nadu and on the east coast of India?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 97
Topic
What is brood parasitism? Explain with the help of an example.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 93
Topic
Define ectoparasite and endoparasite, and give suitable examples.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 85
Topic
Give a suitable example for commensalism.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 77
Topic
What is high altitude sickness? Write its symptoms.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 182
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