The tissue called "epithelial" is responsible for secreting digestive enzymes.
✰ DNA stands for 
.
✰ It is a type of nucleic acid that contains the genetic code of organisms and is also the molecule of heredity in all cells.
✰ DNA is mainly present in the chromosomes in nucleus.
✰ It carries the genetic information that is passed on to the next generation.
Answer: Flatworms, Roundworms and Segmented worms
Explanation:
These are not all placed in a phyla because the degree of developmental and morphological similarity is low.
The flatworms also known as platyhelminthes do not have coelom, no respiratory system or a circulatory system. An example is the tapeworm.
The roundworms also known as nematodes are slightly more complex than the flatworms in that they have a pseudocoelom and they are bilaterally symmetrical. An example is Ascaris lumbricoides.
The segmented worms are the most complex of them in that they have a true coelom, a circulatory system found in each segment and a digestive system. An example is the earthworm.
Answer:
photosynthesis did not occur.. because if photosynthesis had occured oxygen would be produced..but the tubes turned green proving there was more carbondioxide than oxygen Which proves photosynthesis didn't take place.
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Answer:
Corpus callosum
Explanation: Cerebral hemisphere, is one half of the cerebrum that controls speech, emotions, thought, learning, reading and also the muscle functions. The left hemisphere controls the muscles on right and right hemisphere controls the muscles on left side. Right hemisphere performs the tasks that have involves creativity and the arts whereas left hemisphere performs the tasks that has to do with logic.
