Answer: All birds are warmblooded, or endothermic, animals. Birds are vertebrates because
they have backbones. All birds have a four-chambered heart, a
characteristic they share with mammals. All birds lay hardshelled eggs. Birds have only two legs. Their forelimbs have
become modified into wings for flying. All modern birds evolved
from ancestors that could fly.
Explanation:
Answer: pretty sure it’s B.
Explanation: The salivary glands create a digestive juice called salivary amylase that starts to break down or hydrolyze the starch that is in the bread of the chicken sandwich when the chicken sandwich first reaches the mouth. It would be digested in the amylase in the stomach
1. Glycolysis
2. Krebs cycle
3. Electron transport chain
They are all true, this is because they are all known to be trusted resources.
Answer:
The gene that controls production of white blood cells.
Explanation:
Influenza (the flu) is caused by a virus which attacks the respiratory system. The body system views the influenza virus as a foreign body and certain signals are passed to the immune system. The immune system is responsible for fighting infections and diseases and the major cells involved are the white blood cells(leukocytes).
This makes the gene that controls production of white blood cells to be widely expressed in the body of someone who contracts the influenza virus.
