Jellyfish do not have a central nervous system.
Squids which belongs to Cephalopoda (class of Mollusca) have the most complex nervous system of the invertebrates. They have well-developed senses and large brains. So, they are considered as the most intelligent of the invertebrates.
Dolphins, on the other hand, are regarded as one the most intelligent animal.
Answer:
A. The Y chromosome takes up much more space than the X chromosome
Answer:
The cell wall provides the cell with protection from all the unfavorable conditions. ... Without the cell wall, the plant cell will collapse. Uptake of nutrients would be tough and the cell would be without any protection. Hence the plant would eventually die.
Explanation:
Answer:
Spores- <u><em>producing</em></u> structures developed as a way for land plants to reproduce asexually. Spores can stay <u><em>dormant </em></u>until conditions are optimal for growth. Once they find an environment conducive for growth, they develop into a new plant.
Explanation:
In general terms, spore can be described as a reproductive unit that has the capability to form a new plant without sexual reproduction or fusion.The spores formed by plant species remain dormant until optimal conditions are encountered for their growth. When the conditions become optimal for the growth of a plant, the spores start developing into a new plant.
Mechanical weathering is a physical process.
