Answer:
Tropical Climate
Explanation:
If glossopteris fossils were found in Antarctica, the climate of this continent before was a Tropical Climate.
Answer:
C) They are compressed during inhalation.
Explanation:
Birds breathe through rigid lungs that are located in the animal's thoracic region. The trachea of birds divides into bronchi that branch inside the lungs into very thin tubes called parabronchials or parabroncholes, which are irrigated by blood capillaries that allow gas exchange.
In birds there are no pulmonary alveoli (as in mammals), but air capillaries that depart from the parabroncholes. Oxygen gas passes from these capillaries to the blood capillaries, thus causing gas exchange.
In the lower portion of the bird's trachea, before branching the bronchi, we can find the syringe, a bag-like structure that has vocal cords responsible for the birds' scream and song. Most of the time, the sound emitted by birds serves to attract the mate, mark territory and prevent birds of the same species against some predator or other danger.
Answer:RNA polymerase synthesizes an RNA transcript complementary to the DNA template strand in the 5' to 3' direction. It moves forward along the template strand in the 3' to 5' direction, opening the DNA double helix as it goes.
Explanation:
Qualitative analytic methods are needed to determine THE IDENTITY OF THE POISON USED IN A MURDER.
Quantitative analytic methods are used to identify unknown materials such as chemical compounds, poisons, etc. In a criminal investigation case, qualitative analytic method can be used to identify the particular poison that was used to murder a victim. Qualitative methods do not involve numeric data or figures while quantitative methods typically has to do with the quantity of a substance that is involved in a particular situation.This is basic difference between the two methods.
To divide the sex cells or gametes
