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SCORPION-xisa [38]
3 years ago
8

How does starfish obtain and distribute oxygen and nutrients

Biology
1 answer:
vovangra [49]3 years ago
6 0

Starfish have a unique form of digestion in the animal kingdom and a water-vascular system that allows the animal to breathe.

All your answers should be in this article: 
http://animals.mom.me/feeding-respiration-starfish-6596.html
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Help me please,Thanks
sasho [114]
Stationary front
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8 0
3 years ago
Oil, natural gas, and coal are considered to be nonrenewable resources. Why are these fuels considered to be nonrenewable?
Mazyrski [523]
These fuels are nonrenewable because they are limited substances which cannot be produced at the same rate at which it is used. Also, they cannot be REused, hence the wording non-REnewable. Hope this answers your question.
6 0
3 years ago
Read 2 more answers
A plant can have green (G) or yellow (g) leaves. It can also have a long (K) or short (k) stem. A scientist is preparing a Punne
andrew11 [14]
Answer: <span>A. gk, gK
</span>
The scientist doing a dihybrid crossing using <span>plants with a genotype ggKk. To make the Punnet square, you need to understand how the gamete divided. The square should be
     K    k
g  gK   gk
g  gK   gk

The possible gamete for gg-Kk would be 
1. gK
2. gk
</span>
7 0
3 years ago
Read 2 more answers
An increase in which gas would cause the most greenhouse warming of Earth's atmosphere?
lana66690 [7]
The answer is Carbon Dioxide
4 0
3 years ago
in the first half 20th century, it was not unusual for African American people to have to use different drinking fountains, lunc
Scrat [10]

Answer:

The statement is true.

Explanation:

During the first half of the 20th century, racism was extreme and constant in many countries. This racist thinking forced African American people to eat, drink, study and do everything in different places. Also, the only work they could do was housekeeping or physical work like construction.

6 0
3 years ago
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