Correct answer: A) Extension
Extension is a physical position that occurs when angle between the bones and the limbs of joint increases.
It takes place when there is a contraction of muscles and bones move the joint from a bent to a straight position, it is opposite of flexion, in which the angle between the bones and the limb at the joint decreases.
Example: During straightening of the leg, the angle between the tibia and femur increases, which shows extension has taken place.
I would choose the mountain ecosystem.
The mountain ecosystem contains a complex living organisms.
Mountain lands support a diverse array of habitats with large range of plants
and animals. It is very crucial for biological diversity and is very wonderful
to see. The climate is mostly cool which is fitting for relaxation.
Answer: heres your answer
Explanation: having homologous chromosomes indicates that the organism is a DIPLOID SPECIES.
Answer:
Here are some of the differences I find
Explanation:

The red arrows in the diagrams below point to these structures in animal and plant cells.
In the following choices below, the correct answer of which
corresponds to the statement of a highly contagious food borne illness that
results from biological contaminants is letter a, salmonella. The salmonella
are pathogens that are intracellular. The infection occurs because of the
contamination of food with feces.