BIOLOGY HIGH SCHOOL

Plasma is about ___ % water.
90
70
80
95

Answers

Answer 1
Answer: i believe the answer is 90% 

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The fertilized egg is also known as ____.
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The term pseudoscience refers to evidence that _____.A. supports a product claimB. was created by a reliable sourceC. pretends to be scientific, but actually is notD. was gathered during a scientific experiment

In what conditions can asexual reproduction occur?

Answers

Well, it mainly occurs in microorganisms (bacteria, protists, etc), but also it mainly occurs in the 'real world' when the reproduction need is basically quantity over quality. For example, dandelions spread their seeds via the wind when they get white and fluffy, as it allows the dandelion to spread many many 'offspring' with relative ease. So in short, asexual reproduction can occur in most environments, but asexual reproduction is only found in conditions where quantity over quality is key for survival of a species.

Asexual reproduction takes a variety of forms. The simplest one-celled organisms may reproduce by binary fission, in which the cells simply divide in half. This form of reproduction creates a clone of the parent, and has the benefit of usually being very quick and energy efficient. For example, bacteria that reproduce by binary fission can give rise to progeny every few hours.


hope this helps

How do scientist explain the incomplete fossil record? A) The fossil record is limited to fossilized animals and the absence of fossilized plants.

B) Stasis occurs when the structure of a species in the fossil record does not change over a long period of time.

C) Not all organisms become fossils. Processes like erosion and mountain building can change rock layers, causing fossils to be spread over multiple layers or destroyed.

D) The adaptive radiation of mammals helps explain a rapid increase in mammal diversity of the fossil record after a mass extinction.

Answers

Answer:

C

Explanation:

Organisms that existed million years ago were mostly soft-bodied, thus they left no traces behind when they died. Due to geological processes such as soil erosion, whatever evidence left behind by these soft-bodied organisms was destroyed.

Answer:

B

Explanation:

go with your gut - Frank

Explain how clearing forest by cutting and burning trees contributes to climate change

Answers

By cutting down trees you are reducing the number of CO2 that is consumed by trees. Trees consume CO2 to conduct photosynthesis and turn it into O2 which is released. kept a result of the CO2, more heat is contained within the atmosphere because CO2 is a heavier gas and heat has a harder time escaping from it. Hope this helps! :-)
If they cut all of the trees down and burn them. The climate will change by animals dieing because they dont have anny food water or a home to live in so they will die out or migrate somewere else.

After a sperm and egg fuse together during sexual reproduction, it forms a ____________. a. Stem cell


b. Zygote


c. Meristem cell

Answers

When a sperm and egg fuse together, it forms a zygote. A zygote consists of two sets of chromosomes, one coming from the mother/egg and the other coming from the father/sperm. The zygote then continues to divide to form an embryo and gets implanted. 
B: Zygote is formed during reproduction

Which class of molecules is responsible for speeding up chemical reactions

Answers

Enzymes, and you have them everywhere in your body. 

Large areas around the globe with similar climates and similar communities of organisms forma
a population.
b
a biome.
c
an ecosystem.
d
a species.

Answers

Answer:

c

Explanation:

Answer:

a biome

Explanation:

a species is a type of animal kind, a population is the number of a certain species, an ecosystem is basically a big web of nature that is connected. so we can rule those 3 out. a biome is a part of land with similar climates and organism population
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