Earth's inner core is solid because of the extreme pressures and underneath the earth.
Answer:
sex chromosomes have X and Y chromosomes whereas sexual reproduction is a type of reproduction.
Explanation:
Two sex chromosomes are present in humans and most other mammals i.e. the X and the Y chromosomes. Females have two X chromosomes in their egg cells, whereas males have both X and a Y chromosomes in their sperm cells while on the other hand, reproductive sex means sexual reproduction in which sperm of male fuse with eggs of female organism forming zygote that turns into a fertile offspring.
Answer:
Is composed of trabeculae that are oriented along lines of stress. (Ans. D)
Explanation:
Spongy bones are also known as trabecular and cancellous bones. It is covered by compact bones and present in the long bones. They are known as spongy because they are highly vascular and porous tissues.
Osteoblast thin area creating the turbeculae space between the tissues. Spongy bones are also known for home of hematopoietic stem cells and bone marrow, which are helping to differentiate white blood cells, red blood cells, and platelets.
Some difference between spongy bone and compact bone are:
1) Spongy bones are light weight and compact bones are heavy.
2) Spongy bones are composed of trabeculae and compact bones are composed of osteons.
3) Spongy bones are known as cancellous and compact bones are known as cortical bones.
Answer:
Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. (I'm not sure if is correct? hope this is a correct)