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pshichka [43]
2 years ago
10

Activity 2.2 comparing the two body waves

Biology
1 answer:
Nutka1998 [239]2 years ago
3 0

Answer:

compare two body wave

Explanation:

compare one on one body wave

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Explain the purpose of the placenta and describe how a fetus gets its nutrients.
marusya05 [52]

Answer:

The placenta is the temporary association of fetus and maternal tissue. It is meant for nutrition and transport of different substances.

Explanation:

The placenta is a temporary association of fetal and maternal tissues. The placenta is formed from the trophoblast of the blastula. These trophoblasts   form chorionic villi which later forms the placenta. The chorion and allantois also take part in the formation of the placenta. Hence, the human placenta is known as the chorioallantoic placenta. The process of formation of the placenta is known as placentation.  

The placenta has several functions but the major function is to provide nutrition to the fetus. The developing fetus gets nutrition from the mother's body by the placenta. The placenta provided with blood vessels which help in the transportation of different substances. It also helps in gas exchange between the mother and baby. Thus it plays a vital role in fetal respiration. The metabolic wastes diffuse through the placenta. Placenta also stores fat, glycogen, which participates in protein metabolism.

7 0
3 years ago
A(n)\ is a system composed of living organisms and their interaction with the surrounding environment, where the main focus is t
fgiga [73]
3. Environment

The simplest definition of an ecosystem is that it is a community or group of living organisms that live in and interact with each other in a specific environment.
5 0
3 years ago
How can recycling impact the environment? A) It uses less energy to make something from recycled materials than from new materia
o-na [289]

Answer:

A) It uses less energy to make something from recycled materials than from new materials.

Explanation:

When a recycled material is used to make a new product, it conserves energy because the recycled materials have already been processed once; so making something from it for the second time uses less energy-intensive than the first. For example: Making new aluminium from old products uses 95% less energy than making it from scratch.

Hence, the correct answer is "A)"

8 0
2 years ago
What is the first organ to receive carbohydrates absorbed from the intestine?
Contact [7]
Liver would be the answer. Hope this helps. :)
4 0
3 years ago
Wann erfolgte der Wurzel der Pflanzen
miv72 [106K]

Answer:

Vor 416 bis 360 Millionen Jahren

Wurzeln waren eine frühe Entwicklung im Pflanzenleben und entwickelten sich an Land während der Devon-Zeit vor 416 bis 360 Millionen Jahren (Gensel et al., 2001; Raven und Edwards, 2001; Boyce, 2005; Kenrick, 2013).

Explanation:

Entschuldigung, wenn das nicht geholfen hat

5 0
3 years ago
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