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disa [49]
4 years ago
6

Lab safety and lab equipment worksheet answers true or false

Biology
2 answers:
nikitadnepr [17]4 years ago
6 0
I'm sorry, but is this a question? I'm a bit confused.
pentagon [3]4 years ago
3 0
Is this the question
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Which of the following describes the structure formed when a probe
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Explain the importance of the blood returning to the heart twice in one cycle​
a_sh-v [17]

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It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart. The left pump sends the newly oxygenated blood around the body.

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How are dry and cold biomes similar and different?
Vera_Pavlovna [14]

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4 years ago
Bryophytes never formed forests (mats, yes, but not forests) because ________. a. they possess flagellated sperms.
maria [59]

Answer:

c. They lack lignified vascular tissue

Explanation:

We know that forest consists of tall trees. In the tall trees the water and minerals are transported to the every part of tree through the lignified vasucular tissue. This tissue not only helps in transport within the tree but also provides some sort of mechanical strength due to the presence of lignin it its walls. On the other hand bryophytes are non-vascular plants which means they lack vascular tissue and thus a mechanism for long distnace transport of water and minerals is absent in them. So they can't be taller as a tree and thus can't form forest.

8 0
3 years ago
The stalk of a leaf is known as the ________.<br><br> petiole<br> lamina<br> stipule<br> rachis
jasenka [17]

Answer:

Petiole

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The petiole is the part of the leaf that attaches the leaf to the main stem of the plant. Depending on the leaf structure of the plant, some leaves may be devoid of a petiole, and be regarded as apetiolate.

3 0
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