Answer:
A. Organ
Explanation:
Leaf is an essential part of plant that is involved in photosynthesis and also in exchange of gases. It is made up of epidermis, which is thick one, and is present at lower and upper surface of leaf. Between upper and lower epidermis, mesophyll is present while cuticle is present outside of the epidermis. Xylem and phloem and other connective tissues are arranged in the leaf in such way that it maintains the shape as well as effective transfer of nutrients and water in the leaf. Leaf is an organ, made up of all these tissues to form a complex structure.
Answer: Somatic Nervous system
Explanation:
The instruction to the muscles to avoid the oncoming bicyclist is voluntary and controlled by the SOMATIC NERVOUS SYSTEM, which is known to
- control the speed of impulses from the brain to the effectors (muscles)
- affects skeletal muscles and
- control activities that are mainly voluntary like swerving to avoid hitting a bicyclist
Answer:
B.
Explanation:
Genes are DNA sequences instruct cells to produce particular proteins.
Yes only 1/4 would be white (pp)
Answer:
D
Explanation:
Trees takes carbon dioxide from the atmosphere for making its own food through photosynthesis so when the trees.are being burnt they release carbon dioxide to the air leading to increase temperature or green house effect.
