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navik [9.2K]
3 years ago
5

Which of the phyla has radial symmetry?

Biology
1 answer:
Nana76 [90]3 years ago
6 0
C is the answer. the sea star can be divided equally no matter where the line is drawn, others cannot
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What’s vegetative reproduction (biology)<br><br> give description and example.
Virty [35]

Vegetative reproduction is a mode of asexual reproduction naturally occurring in plants. In this process. only one of the parent is involved and the offspring is genetically identical to the parent and no sharing of DNA takes place.

Examples are:  Onion, rhizome (ginger) and daffodil

Explanation:

There are meristem tissues found in the stem, root and leaves. These are undifferentiated cells and have tendency of dividing. This tissue gives rise to organs of the plant and responsible for its growth.

Natural vegetative propagation happens when an axillary bud grows into a lateral shoot and develops adventitious roots consequently forming a new plant.

Vegetative propagation can be done artificially also.

4 0
3 years ago
What evidence supports the claim that the earth has layers?
andrew11 [14]

Answer:

There are many ways scientists can gather evidence to learn about Earth's interior including direct evidence from rock samples and indirect evidence from seismic waves.

also

1. Seismic waves and earthquakes

2. Volcanoes

3. Principles of density

​4. Earth is magnetic

Explanation:

5 0
3 years ago
With ______________, a woman is given hormones that stimulate the ripening of several ova. These are removed surgically and plac
Anastaziya [24]

Answer: In vitro fertilization

Explanation:

In vitro fertilization (IVF) involves some procedures used to help with fertility. This series of procedures are usually complex and can help prevent genetic problems and assist with the conception of a child.

During IVF, mature eggs are collected from the female ovaries and sperms from the male and fertilized in the laboratory. The fertilized egg are then transfered back into the uterus for its growth and development.

The sperm and eggs could be from partners who have decided to carry out IVF or from donors. IVF is usually Carried out by high rating laboratory. One full cycle of IVF takes about three weeks. IVF are usually expensive and could take a longer time if splits into different aspects.

IVF is an effective reproductive technology.

5 0
3 years ago
Explain how prokaryotic and eukaryotic cells are similar
STatiana [176]

Answer:

Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.

Explanation:

4 0
4 years ago
Where do trees get nutrients to grow
emmainna [20.7K]

Answer:

Photosynthesis a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities

they need sun water and CO2

Explanation:

4 0
3 years ago
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