Answer:
Prokaryote
Explanation:
a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and cyanobacteria.
Natural selection! In the theory of natural selection, those with less beneficial traits won't live to reproduce, but those with beneficial traits will be able to reproduce and pass on those traits to their offspring, which significantly increases the frequency of those beneficial traits.
Answer:
by which large pieces of food are cut and crushed into
by which large pieces of food are cut and crushed intosmaller pieces is called:
d. mechanical digestion
5. The tube that connects the mouth to the stomach is the:
a. oesophagus
5. The hard, outer coating of the tooth is called:
b. enamel
- The building blocks of proteins are:
c. amino acids
5. Which of the following vitamins is made by the body?
a. vitamin D- b. vitamin A c. vitamin C
. Having too little of the mineral iron can cause:
b. goitre
The wavelike motion that moves food through the digestive tract is called:
d. peristalsis
Gastric juice contains all of the following except:
d. bile
The process by which large food molecules are broken down into smaller food
The process by which large food molecules are broken down into smaller foodmolecules is:
c. mechanical digestion
Fats are digested in the:
b. small intestine
Poor nutrition caused by an unbalanced diet is called:
c. malnutrition
The fingerlike projections on the lining of the small intestine are called:
b. villi
Answer:
Major disadvantage to organic farming are discussed below.
Explanation:
The major Disadvantages of Organic farming:
- Organic food is more costly because growers do not receive as much out of their property as traditional farmers get.
- Making charges are more expensive because growers require more extra labor.
- Retailing and shipping are not effective because organic food is grown in smaller quantities.