Answer:
b. Red blood cells that lack nuclei
d. A fully erect posture associated with bipedalism
Explanation:
Eccrine glands can be found on horses, you may have seen horses sweeting. The pressure sensors can be found in other apes too. Fully erect posture is a characteristic of humans, other apes or monkeys may walk sometime like this, but their main locomotion is in 4 extremities. Non nucleated is a characteristic that gives an advantage because more oxygen can be carried inside red blood cells making respiration more efficient.
Answer:
yes
Explanation:
A chemical compound is considered to be a pure substance. This is because each molecule of the chemical compound has the same chemical formula.
Beak of birds change according to their climate and other conditions in their surroundings as the birds adapt to them.
Explanation:
The beak of the bird is the source from which it catches its prey so it is important for the survival of the bird that the beak remains effective for the use.
The competition from other species of birds may often trigger development in beaks for better suitability to the climate to become more effective than other species.
This happens through the process of adaptation as the birds adapt to their environment and then pass their genes down to their next generation through their inheritance in lineage.
