Answer:
Colony collapse disorder (CCD)
Explanation:
Colony collapse disorder (CCD) -
It refers to peculiar condition , where the worker bees vanished leaving the food as well as the queen bee with some immature bees and nurse bees .
This situation was named the colony collapse disorder .
The condition was observed in north America along with Europe in the late 2006 .
The phenomena became global with affecting the areas of Africa and Asian countries .
Hence , from the given question ,
The correct answer is Colony collapse disorder (CCD) .
Specific excretory organs are absent in unicellular organisms belonging to the<u> phylum Porifera.</u>
The organisms of the phylum Porifera are classified under the kingdom Animalia and they lack specific organs in their bodies.
The word "Porifera" refers to pore-bearing organisms.
These animals have loosely organized cells and are found in freshwater marine ecosystems.
On their body, a large number of pores - Ostia - are present which perform various functions such as excretion.
However, respiratory gases and waste materials are exchanged through a diffusion process.
Moreover, in them, reproduction takes place through fragmentation and budding.
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Answer:
There are 20 intial teeth in child’s mouth.
False, they are different values.
