Choose the correct match
Bladderwert, sundew, venus flytrap:
1. Nepanthese, Dionea, Drosera
2. Nepanthese, Utricularia, Vanda
3. Utricularia, Drosera, Dionea
4. Dionea, Trapa, Vanda
A keystone species is:
1. | A common species that has plenty of biomass, yet has a fairly low impact on the community's organisation. |
2. | A rare species that has minimal impact on the biomass and on other species in the community. |
3. | A dominant species that constitutes a large proportion of the biomass and which affects many other species. |
4. | A species that makes up only a small proportion of the total biomass of a community yet has a huge impact on the community's organisation and survival. |
Animals have the innate ability to escape from predation. Examples of the same are given below. Select the incorrect example:
1. | Colour change in chameleon |
2. | Poison fangs in snakes |
3. | Melanism in moths |
4. | Enlargement of body size by swallowing air in puffer fish |