Developing a coelom made nutrients more easily absorbed by roundworms. A coelom is a fluid filled cavity developed in the mesoderm and it is the main body of a roundworm. It contains the digestive tract and many other organs.
neurotransmitters is the answer
Answer:
The Theories of Organic Evolution explains convincing the origin of life. It also explains how the wide variety of plants and animals came into existence in the world. According to this theory, the world has been evolved and not been created.
Explanation:
The hypothalamus controls body temp
Answer:
Dependent variable: Plant growth
Independent variable: Water
Explanation:
The <u>Independent variable in an experiment is defined as the variable which can be changed or controlled to measure its effect on the dependent variable</u> and change in dependent variable depends on the independent variable.
In the given example quantity of water is an independent variable and plant growth is a dependent variable because quantity of water can be controlled that influences plant growth.
Hence, the correct answer is:
Dependent variable: Plant growth
Independent variable: Water
