Answer:
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
Answer:
C.The gametophytes grow directly from the sporophyte
Explanation:
Conifers are gymnosperm which reproduce through the exposed seeds (seeds not included in fruits) found in the cones. The trees or plant on which these conifers grow are called sporophytes. In the sporophyte, the male and female gametes fuse together to form zygote which further develops into a seed. At the right time, these seeds get dispersed into wind and they grow into new plants known as sporophytes
A thin layer of protein, within epithelial tissue, that anchors the epithelium to the extracellular matrix is the basement membrane. It separates the epithelium, mesothelium and the endothelium from the connective tissues underneath. It has two layers namely the basal lamina and the reticular connective tissue. Its main function is to anchor the epithilium to the dermis underneath the skin. It would act as a barrier in order to prevent malignant cells in invading tissues that are found deep within. It also important in the process of angiogenesis or the development of blood vessels where it increases the differentiation of the endothelial cells.
Centrioles produce spindle fibers.
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Answer:
No
Explanation:
No because it normal when a leave falls off
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