Help.. The energy in food is measured in units called Calories.
a. true
b. false
17
If you eat more food than your body uses, you will lose weight.
a. true
b. false
18
Carbohydrates are used primarily to build and repair body parts.
a. true
b. false
19
Ptyalin aids in mechanical digestion.
a. true
b. false
20
Muscles in the walls of the esophagus help bring food from the
mouth to the stomach by peristalsis.
a. true
b. false

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

Why does sexual reproduction result in more genetic variation in a species