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serious [3.7K]
3 years ago
13

Mammals first appeared during the Cenozoic Era. true or false

Biology
2 answers:
anastassius [24]3 years ago
8 0
<span>Mammals first appeared during the Cenozoic Era. The statement is true.</span>
shutvik [7]3 years ago
3 0

Answer:

it is true because mammals arrived before humans in the Cenozoic Era

Explanation:

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Which four systems describe fuctions of the circulatory stystems.?
Lerok [7]

The four systems that describe the functions of the circulatory systems are:

  • oxygen is delivered to cells throughout the body by this system
  • This system removes carbon dioxide from organs & delivers it to the lungs.
  • Carbon dioxide exits the body through this systems
  • This system's organs pass oxygen into the bloodstream.
<h3 />

What is the circulatory system?

The circulatory system can be referred to as a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of humans or other vertebrates.

The circulatory system includes the cardiovascular system, also known as the vascular system which consists of the heart and blood vessels.

Learn more about circulatory systems at:

brainly.com/question/3447829

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3 0
2 years ago
How will the movement of substances be altered in the phloem during spring season? Why?
KengaRu [80]

Answer:

The phloem is responsible for transporting food from leaves to other parts of the plant.

The transport of pholem is bidirectional and changes the movement of particles according to the season. Generally, the transportation occurs in the direction of the source to sink but in spring season the direction is opposite that is from sink to source because the source and sink are n opposite sides. So in spring season, the stem tubers are sources and the growing leaves are sinks.

4 0
3 years ago
The process by which our sensory systems convert stimulus energies into neural messages is called
lesantik [10]

Answer:

transduction

Explanation:

6 0
3 years ago
Mark is a 25 year old sedentary male who weighs 250 pounds and is 6'0'. His RDA for protein is 90 grams (based on 0.8g/kg). He w
statuscvo [17]

Answer:

Im jacked and I eat 90G Protein daily but I only weigh like 135 so if mark weighs 250 id say around 160-170g Protein for our buddy

Explanation:

4 0
3 years ago
CANT GET WRONG!
LekaFEV [45]
In the 9th century, it was suggested that when organisms change, they are adapting to survive.
Lamarck, was the researcher that created the theory of acquired characteristics.
 Malthus first proposed the idea that overpopulation <span>contributed to the lack of resources and interfered with survival, but he applied this to only humans, Darwin was the first to apply this to all organisms.</span>
3 0
3 years ago
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