1. Equal to the number of branches plus one
2. Equal to the number of branches points
3. One
4. Two, one on the left side and an other on the right side
Equal to the number of branches plus one
1. Two ends
2. One end
3. Three ends
4. No end
Two ends
1. Dissolving CO2 in water
2. Untwining the two stands of DNA
3. Hydrolysis of sucrose
4. Formation of peptide bond
Formation of peptide bond
1. submicroscopic molecular level
2. cellular level
3. organismic level
4. atomic level
submicroscopic molecular level
1. real basic units of classification
2. the lowest units of classification
3. artificial concept of human mind which cannot be defined in absolute terms
4. real units of classification devised by taxonomists
real basic units of classification
1. sharing the same niche
2. interbreeding
3. feeding over the same food
4. reproductively isolated
interbreeding
1. Species
2. Genus
3. Family
4. Class
Species
1. Class—Phylum—Tribe—Order—Family—Genus—Species
2. Division—Class—Family—Tribe—Order—Genus—Species
3. Division—Class—Order—Family—Tribe—Genus—Species
4. Phylum—Order—Class—Tribe—Family—Genus—Species
Division—Class—Order—Family—Tribe—Genus—Species
1. A species which makes up only small protion of the total biomass of a community yet, has a huge impact on the community’s organization and survival
2. A common species that has plenty of biomass yet, has a fairly low impact on the community’s organization
3. A rare species that has minimal impact on the biomass and on other species in the community
4. A dominant species that constitutes a large proportion of the biomass and which affects many other species
A species which makes up only small protion of the total
biomass of a community yet, has a huge impact on the
community’s organization and survival
1. de Vries
2. Carolus Linnaeus
3. Prantl
4. Bentham and Hooker
Carolus Linnaeus