Answer:
A food is something that provides nutrients. Nutrients are substances that provide: energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy.
Explanation:
A good vector to genetically altered respiratory cells might be A VIRUS THAT HAS BEEN GENETICALLY ALTERED TO CARRY NORMAL HUMAN DNA.
Gene therapy is a medical method of treatment which uses genes to prevent or treat diseases. The method is used to correct the defects in genes which is causing a disease. In order to insert a normal gene to replace the defective one, a vector, which will carry the gene is needed. The vector that is usually used in this case is a virus, which has been doctored to carry a normal human DNA.
A flower has the following:
Petals - segments of the flower
Sepal - outer parts of the flower at the bottom covered in bud
Stamen - produces pollen in the flower
Anther - where pollen is produced
Pistil - produces ovary of the flower
Stigma - where pollen germinates
Pollination occurs when insects like bees and butterflies transfers the pollen from one flower to another. Once transferred, fertilization begins.
Answer: a living tree is biotic and a dead tree is abiotic
Explanation:
A hallucination of movement, or a feeling of spinning or dizziness, is called: VERTIGO.
It can be due to the inner ear or the brain.