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zubka84 [21]
3 years ago
12

The respiratory system is part of the excretory system?​

Biology
2 answers:
Alex3 years ago
5 0

Answer:

circulatory system

Explanation:

blsea [12.9K]3 years ago
3 0

Answer:

no, respieatory system is used for breathing and a few other functions

Explanation:Excretory system is used for accumulation of food that contains dangerous chemicals

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How do plasmodesmata affect the individuality of the cells?
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Plasmodesmata play roles in both cellular communication and in molecule translocation. Plant cells must work together as part of a multicellular organism (the plant); in other words, the individual cells must work to benefit the common good. Therefore, communication between cells is crucial for plant survival.

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Select the two substances that are reactants in the chemical process that releases 36 to 38 ATP in cells.
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Potassium and Carbon Dioxide

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2 years ago
When a cell is not ready to divide, it will enter __________.
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Which of the following does not describe a function of aggressive animal behavior?
baherus [9]

Answer:

The correct answer will be option C- aggressive behavior is displayed to establish hierarchy without violence.

Explanation:

Aggressive behavior is a behavior which is produced to eliminate the competition by the opponent by expressing it physically, emotionally or verbally.  Aggression is widespread in the animal kingdom which could be could be predatory between two different species or among members of same species.

Species establishes itself by showing anger and injuring others through fight which helps in establishing themselves as powerful member usually and during mating season.

Thus, option C is the correct answer.

5 0
3 years ago
Evidence suggests that Homo erectus obtained food mainly through:
ella [17]

Answer:

C. Scavenging of dead animals and gathering of plants (just as Homo <em>habilis</em> had done), and perhaps the hunting of smaller animals

Explanation:

Homo <em>erectus</em> (erect man): Homo erectus is believed to be appeared about 1.5 million years ago. It was in the middle Pleistocene age when they evolved from homo habilis. Homo erectus probably ate meat, was around 1.5-1.8 meters tall and males were probably larger than females. As the name suggests they has erect posture. His skull was flatter than that of modern man and he had protruding jaws. Other features includes projecting brow ridges, small canines and large molar teeth. Their cranial capacity was 900 cc. Cranium was dome shaped to accommodate the large brain. Homo erectus was omnivorous and he made various tools using stones and bones. He made use of fire for hunting, defense and cooking. Homo erectus inculdes three fossils: Java Ape-man, Peking man and Heidelberg man.

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3 years ago
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