Answer:
Moving things in and out of the cell is an important role of the plasma membrane. It controls everything that enters and leaves the cell. There are two basic ways that substances can cross the plasma membrane: passive transport, which requires no energy; and active transport, which requires energy.
The would most likely have to compete for their food and space.
The expected growth mark marker for a 6 month old infant is that the infant can transfer objects from hand to hand, rolls from prone to supine, sits well unsupported, presents with stranger anxiety, and that the patient can babble.
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When heat is added to a solid, its particles move _______
A. faster
B. slower
C. closer together
<em>D. the same speed</em>
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A. (I THINK-)
<h2>Explanation</h2>
When heat is added to an object, the molecules vibrate faster. As they go faster, there is more space in between the molecules.
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Subject: Science
Unit: Atoms, Molecules,
Grade: 5-7
(I think I might be wrong-)
Answer: 3. They were born of one fertilized ovum.
Explanation: A zygote is formed
when an egg is fertilized by a sperm. The zygote then undergoes a mitotic division into two and each half will further develop into a separate embryo. The two embryos formed will develop into identical twins.
