the meaning is that the cell is filled by choroplast.
Answer:
a fertilized egg- zygote
separation of two ends of an old cell- cytokinesis
union of egg and sperm- fertilization
egg-producing organ in lower plants- archegonium
Food energy flows from one organism to another. Arrows are used to show the feeding relationship between the animals. The arrow points from the organism being eaten to the organism that eats it.
ORIGINAL SCIENCE
Explanation:
- Science is an enterprise building term that organizes theories and knowledge in the form of tests and predictions based on the universe.
- Ancient Egypt and Mesopotamia were the roots in which science was discovered in around 3500 to 3000 B.C.
- Modern sciences are divided into three sciences and they are
SOCIAL SCIENCES( ECONOMICS, PSYCHOLOGY)
NATURAL SCIENCES (BIOLOGY, PHYSICS, CHEMISTRY)
FORMAL SCIENCES( LOGIC, MATH)
- Original science was first termed as NATURAL PHILOSOPHY and the scientists of this science were termed as NATURAL PHILOSOPHERS.
- The English word scientist was termed by WILLIAM WHEWELL in the period of the 19th century.