Question

Two plants can be conclusively said to belong to the same species if they:

can reproduce freely with each other and from seeds
have more than 90 per cent similar genes look similar and possess identical secondary metabolites
look similar and possess identical secondary metabolites
have same number of chromosomes

Answer 1

Two plants can be conclusively said to belong to the same species they can reproduce freely with each other and form seeds.

• They have identical genes and look similar and possess the same secondary metabolites.

• The same species of individuals or a group of populations resembles one another in all important morphological and reproductive characters.

• That why they are able to mate freely and produce fertile offspring.

• Morphological characters such as body, size, shape and etc are closely related to their parent plant.

Answer 2

Two plants can be conclusively said to belong to the same species if they can reproduce freely with each other and from seeds

Option A  

Explanation:

• A species is defined as the group of organisms that are able to breed freely and give rise to an offspring with same characteristics as its parents.

• In case of plants, there’s no exception.  

• Its very obvious that all members of same species do have a same number of chromosomes, but having equal number of chromosomes don’t guarantee that both the species belong to same species.

• Although interspecific breeding is possible, it’s not a natural process.  

Learn more about plants:

A gardener plants several flowering plants of the same species and notices that about 10% of the plants produce larger flowers than the others. He keeps track of the distribution of flower sizes over several years as shown in the table below. What explains these observations?

A. Random chance led to the distribution of flower sizes.

B. Overproduction of offspring resulted in more offspring deaths of the plants with smaller flowers.

C. Speciation occurred because variation was present in the population.

D. Natural selection occurred, causing a shift in the distribution of traits within a species.

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