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timofeeve [1]
3 years ago
13

The energy for life comes primarily from the Sun. Consumers in an ecosystem get their energy indirectly from the Sun by

Biology
1 answer:
vampirchik [111]3 years ago
6 0
By eating the producers which take the sunlight and make energy from it 

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Stem cell and cancer question. Please answer Asap!!
malfutka [58]

Metastasis will happen and cancer cells invade nearby healthy cells, tissues, lymph nodes, organs or will migrate to distant organs.

The two different types of stem cells broadly classified as  are Embryonic stem cells and adult stem cells. Embryonic stem cells are obtained from the blastocyst layer of the embryo and are pleuripotent. Whereas adult stem cells are the undifferentiated cells from tissues of an adult or a child. They can be unipotent or multipotent.

Explanation:

Cancer cells migrate to other parts of the body via blood and lymphatic system. This is called as metastasis. Cancer cells when becomes tumour they develop their own blood vessels and obtain nutrients from them. Once the tumour gets big it pushes the normal healthy cells of the neighbouring tissues and keeps on spreading.

Stem cells obtained from the embryo can differentiate into any types of cell and when grown in-vitro can dramatically form the three germ layers.

The adult embryo cells are found in less quantity, their role is to repair the tissue they reside in.

4 0
3 years ago
How is the information contained in a signaling molecule received by a cell?
Natalija [7]

Answer: Depending on the nature of the signaling molecule, it may either bind to and activate a receptor protein embedded in the plasma membrane, or it may move across the plasma membrane and bind to a receptor protein in the cytoplasm.

Explanation: I found this answer on quizlet

7 0
2 years ago
Read 2 more answers
What effect can an ocean have on the climate?
bogdanovich [222]
I believe the answer is A hope this helps :)
4 0
3 years ago
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3. Describe how the nervous system helps different parts of your body communicate with one another the moment you begin to pet a
Brilliant_brown [7]

Answer:

When petting a dog, mechanoreceptors in the skin of your hand send signals to the sensory neuron. The sensory neuron connects to your spinal cord and through your brain.

Explanation:

5 0
1 year ago
You observe a plant on your windowsill that is growing at an angle toward the outside. This is an example of a living thing ____
katrin2010 [14]

Answer:

response to stimuli / tropism

Explanation:

The plants and animals always respond to stimuli. It is an innate character of all living things. When a bright light falls on the eye, it closes immediately. This is responding to the stimuli. When someone touches the leaves of touch-me-not plants it closes its leaves due to the external stimuli.

The plants respond to the light. Because it does photosynthesis in the presence of light. Therefore, the leaves and branches of the plants always bend towards the light. This process is called phototropism.

Similarly, the roots of the plants move towards gravity under the ground. This is called geotropism.

Besides phototropism and geotropism, other types of stimuli are there - hydrotropism(response to the water), chemotropism(response to certain chemicals).

That's why the plants growing on the windowsill move towards outside where light comes.

7 0
2 years ago
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