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mixer [17]
3 years ago
6

Which plant structure found in lower plants produces gamestes?

Biology
1 answer:
LuckyWell [14K]3 years ago
8 0

gametangium is the problem

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What species concepts is not very useful in defining plant species because some plant groups readily hybridize with other plant
matrenka [14]

Answer:

The <u>biological species concept</u> is not very useful in defining plant species.

Explanation:

The biological species concept says that <em>species are population groups that, in a real or potential way, can reproduce and that </em><em>are reproductively isolated from other groups.</em>

<em>Individuals belonging to a species cannot reproduce with members of other species. </em>

This biological concept has limitations. Its application might present difficulties in concern with asexual reproduction species, such as bacteria, rotifer, cnidarians, plants, and etcetera.

Besides, this concept cannot be applied to the past because it is difficult to deduce reproductive capability between extinct species.

Finally, this concept is not adequate in concern to hybridization zones, something to be expected considering evolutionary processes. This is why this concept has been less accepted by botanists, as some plant species hybridize with other species. For example, species Quercus grisea and Quercus gambelii have overlapping ranges in the southwestern United States. Hybrids showing variation in leaf shape and other traits have been found in many places in this area.

3 0
3 years ago
ASAP DIS IS LATE PLS ASAP o(≧口≦)o
WITCHER [35]

Answer:

A new plant

Explanation:

Many plants reproduce asexually as well as sexually. In asexual reproduction, part of the parent plant is used to generate a new plant.

8 0
3 years ago
Read 2 more answers
The superior vena cava empties what
andre [41]
Deoxygenated blood into the right atrium
7 0
2 years ago
Read 2 more answers
What kind of graphs would be best used to represent this type of data?
Grace [21]

Source Net:

. . . a Line graph.

Line graphs are used to track changes over short and long periods of time. When smaller changes exist, line graphs are better to use than bar graphs. Line graphs can also be used to compare changes over the same period of time for more than one group.

. . . a Pie Chart.

Pie charts are best to use when you are trying to compare parts of a whole. They do not show changes over time.

. . . a Bar Graph.

Bar graphs are used to compare things between different groups or to track changes over time. However, when trying to measure change over time, bar graphs are best when the changes are larger.

. . . an Area Graph.

Area graphs are very similar to line graphs. They can be used to track changes over time for one or more groups. Area graphs are good to use when you are tracking the changes in two or more related groups that make up one whole category (for example public and private groups).

. . . an X-Y Plot.

X-Y plots are used to determine relationships between the two different things. The x-axis is used to measure one event (or variable) and the y-axis is used to measure the other. If both variables increase at the same time, they have a positive relationship. If one variable decreases while the other increases, they have a negative relationship. Sometimes the variables don't follow any pattern and have no relationship.

7 0
2 years ago
Read 2 more answers
Describe how the three different types of seismic waves move and affect the movement of the material they pass over or through.
son4ous [18]
Seismic waves travel in all the directions and used to determine the magnitude of an earthquake. There are 3 types of seismic waves that move in different directions.
1. P wave: It is the fastest of all three waves that travel through the interior of the earth and are compressive waves.
2. S wave: Secondary waves generally follow the P waves and travel through the interior of the earth but are shearing waves.
3. Surface wave: This is the slowest of all three waves that moves close to the surface of the ground.

These waves affect the movement of other materials when they are passing through the interior or surface of the earth.
P waves can move through the solid rocks and even liquids. S waves do not travel through the  liquids such as water and molten magma. Surface waves causes shaking of the ground and do not go deep inside the earth.
7 0
3 years ago
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