Answer:
<u>Areas where lava recently flowed, a glacier retreated, or a sand dune formed.</u>
Explanation:
I don't know if this'll help you, but I think that should be somewhat about primary succession.
Answer:
a. the result of an individual's genetic constitution
Explanation:
Phenotype is the morphological expression of genotype. The genetic constituent of an individual is known as genotype. Genotype determines the genetic traits and imparts specific features of the organisms which constitute the phenotype of the organism.
The phenotype of the organisms depends on the type of the alleles of the genes present in the genome of the organisms.
For example, a human with genotype "ii" has blood type "O". Here, "ii" is the genotype that is responsible for phenotype "O blood type".
On the other hand, a human with genotype "IAIA" has blood type "A". Here. "blood type A" is the phenotype.
Explanation:
charles darwin proposed thoery of natural selection.he had collected imnumerable specimens of plant and animals.he published concept survival of fittest. while explaining he says that There is always competition for food.only those organism survive which shows adptations in various reasons. it thoery of natural selection.
There are some objections,
1. natural selection is not only factor responsible for evolution.
2. darwin did not mention uesful and useless modifications.
3. There is no explanation about slow and abrupt changes
Lysosomes are subcallular organelles which perform many important cellular functions