They absorb food from their environment and release ammonia into their environment through their body surface because their body is very flat, due to the lack of coelom
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The correct answer is option D, that is, Jon is correct because the respiratory system removes waste from the body by ridding it of carbon dioxide when we exhale, and the digestive system removes waste from the body in the large intestine where the waste is sent and removed through the rectum.
The respiratory system functions to provide adequate oxygen for the proper functioning of the body and at the same time works to remove the waste products like carbon dioxide via the process of exhalation.
On the other hand, the function of the digestive system is digestion and absorption. It digests the food components into smaller pieces, and helps in the absorption of nutrients from the food, the leftover undigested food, or waste is excreted out through the rectum. Hence, both respiratory and digestive system exhibits one common function of excretion of waste materials.
Both plant and animal cells have a nucleus. However, animal cells don’t have a cell wall but they have a cell membrane. Plant cells have a cell wall and a cell membrane. Plant and animal cells have different organelles.
Crossover occurs when two chromosomes, normally two homologous instances of the same chromosome, break and then reconnect but to the different end piece. If they break at the same place or locus in the sequence of base pairs, the result is an exchange of genes, called genetic recombination.
Answer:
c) selection for larger female algae-eaters, bearing broods composed of more, and larger, young.
Explanation:
The least likely to result in the algae-eater population in future generations is the selection for larger female algae-eaters, bearing broods composed of more, and larger, young.
