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Olegator [25]
4 years ago
13

Cells are the fundamental units of structure and function found in all organisms. Embryonic cells during the first six to eight

weeks of gestation are especially vulnerable to birth defect causing agents, such as alcohol and drugs, because...
Biology
1 answer:
lakkis [162]4 years ago
7 0

 the causes of most of them are unknown. Some birth defects are considered to be physical, while others are thought of as functional. Physical birth defects result in the malformation.

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The photo shows a process called mosquito fogging.
marin [14]

Answer:

D. To kill insects that commonly spread diseases to people

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3 years ago
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1)How do populations of invasive species continue to grow, and disrupt ecosystems?
s344n2d4d5 [400]

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Due to absence of predators.

Explanation:

The populations of invasive species grow rapidly because of the absence of predators that can control its population as as result, it disrupt the whole ecosystem. Change of climatic conditions of the area where they live causes them to migrate from its original place to a new region where the invasive species have no predators to control its population but mostly humans are responsible for the introduction of invasive species. In most cases, the introduction of invasive species happen due to human activities.

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3 years ago
What is a chemical transmitter?
Leni [432]
<span>it is the substance which transmits the nerve impulse from pre - synaptic  to post - synaptic membrane .</span> <span> </span>
3 0
3 years ago
_____ tissue can be liquid, solid, or semi-solid.
posledela
Hey!
How are you?
The answer to your question would be  A)Connective.
Connective tissue can be liquid, solid, or semi solid, so right in the middle! :P
Does this help you?
<span>•❋Korey❋•</span>

8 0
4 years ago
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Dwarf mistletoes are flowering plants that grow on certain trees in forests. They obtain nutrients and water from the vascular t
alisha [4.7K]

Answer: D- Parasitism

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The organism that lives in the host organism causes it some damage and gives no benefits at all. Also, the parasites are usually insignificant in size when compared to the organisms they live and feed on so they are able to survive in a large category of environmental situations. In this case, the dwarf mistletoes are the parasites while the trees are the hosts.

5 0
3 years ago
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