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rjkz [21]
3 years ago
13

An igneous rock has small, dark crystals. Which statement also accurately describes this rock

Biology
2 answers:
Lerok [7]3 years ago
8 0

Answer:

u did not give the heckin statement

Explanation:

Andrew [12]3 years ago
6 0

Answer:

It is an intrusive rock. It has a coarse texture.

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Darwin noticed that many organisms seemed well suited to
Elanso [62]

Answer:

survive in their environment

Explanation:

According to Darwin's theory of evolution, natural selection is the main mechanism. Darwin explains that organisms that have heritable traits that help them survive and reproduce, will be favorable by natural selection. Those favorable traits will enable organism to better adapt to their environment and to pass more genes on to the next generation (offspring).

Organisms adapt to their environment by changing their behavior, structural traits or physiology as a response to environmental change, so that they become well suited to it.

3 0
3 years ago
Hydras and jellyfish both live in a freshwater lake that is slowly being acidified by the runoff from a chemical plant built ups
Pavlova-9 [17]

Answer:

Jellyfish

Explanation:

  • The mode of reproduction that is used by hydra to produce offsprings is asexual whereas the jellyfish is capable of reproducing sexually.
  • When an organism reproduces asexually then the rate at which the offspring are produced is faster, however, there is a lack of genetic diversity as the offsprings are produced from a single parent.
  • However, in case of sexual reproduction there is more variation and hence in case of a changing environment such as acidification of a lake by a runoff, there is a better chance of jellyfish to survive as it reproduced by sexual reproduction and thus has the ability to give rise to an offspring which will carry the trait to be more resistant.
3 0
3 years ago
In the future, clean energy sources, such as solar power, may be used to create hydrogen fuel. True or False
Bond [772]
Very True , solar energy is used for producing solar energy, it is also used for drying clothes.<span>Active solar energy uses electrical technology and mechanical technology like collection panels in capturing, converting and storing energy.</span>
7 0
3 years ago
Read 2 more answers
How do alpha and beta particles get into the body?
laila [671]

Hello!

While they do not penetrate very far into the body, they can indeed get through.

Commonly, materials that emit alpha, beta or gamma radiation get  into the body alone or with other materials which have may become contaminated.

Here are some ways these could get in:

Through breathing; It could be in the air or mixed with dust, which is in the air.

Drinking; It disolves in water, meaning the material could get in your body without you knowing.

In the soil; If soil is contaminated, and plants grow in that soil, you will get a small ammount of alpha and beta particles.

Lastly, animals; Plants and animals can become contaminated, the particles coud be taken in through consumtion.

Hope this helps!

Have a great day!

6 0
4 years ago
Describe how the development of a special beak shape could affect a bird species’ survival.
VikaD [51]
The different beak shapes allow the birds to eat different things. I'd look at Darwin's finches for a better example. 

3 0
3 years ago
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