An ecosystem is best defined as ________.
A) a regional grouping of plants, animals, and abiotic factors
B) the total population of a specific kind of plant, animal, or microbe and all members of which do or potentially can interbreed and produce young
C) a grouping of plants and animals that interacts with one another in a way that causes the grouping to die
D) abiotic factors affecting a grouping or plants, animals, and organisms trying to survive in a given area
E) all the organisms and their physical and chemical environment within a specific area where energy and matter influence the distribution and abundance of organisms present
Question 2
Most Sikhs in India are found in the southeast of the country.
Indicate whether the statement is true or false
Using the Ti plasmid and Agrobacterium tumefaciens to make transgenic plants
Examples of behavioural mechanisms by which animals cope with extreme temperatures.
Spotted hyena cubs in Limpopo, South Africa. Note the well defined spots, which will fade with age
Plants
phylogenetic tree of animals
reproductive system in plants