The principal organ of exchange between the mother and the developing organism is the placenta.
Answer: Sensory mechanisms are responsible for detecting the external stimuli present in the environment.
Explanation:
The sensory mechanisms help people to observe things around them through eyes, they can hear the sounds through their ears, they can feel the insect creeping on their skin by touch sensory mechanism, they can taste food which they cook through taste or gustatory receptors present on tongue and other parts of mouth cavity.
The Golgi Apparatus is responsible for packing and shipping materials throughout the cell.
Answer:
The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes (endosymbiosis) is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.
Explanation:
Both mitochondria and chloroplasts are similar to bacteria in size, and like bacteria, they reproduce by dividing in two.
not only in the land but also in the ocean there is food web that is why we can find different spices of creature in the ocean alive
there are producer consumer and decomposer
u can present by giving example
u can give oration how the organisms are adapted in the water
