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Korvikt [17]
3 years ago
13

A plant species has either a haploid gametophyte phase, or a diploid sporophyte phase, but not both

Biology
1 answer:
Misha Larkins [42]3 years ago
4 0
Is this a true or false question
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The pH scale is a measurement system that indicates the concentration of ____________________ in solution
Kaylis [27]
Acidity.
If it has less acid it is considered an alkaline
If it has more acid it is acidic
3 0
3 years ago
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Which symbol on a regulatory marker indicates hazards such as rocks or stumps? green square?
g100num [7]

The symbol on a regulatory marker that indicates hazards such as rocks or stumps is an Orange Diamond. Regulatory markers are types of non-lateral markers such as white and orange markings that are used as navigation aids that give directions, warn of dangers and marks controlled locations. Orange diamond shapes warns of dangers such as rocks, stumps or construction.







6 0
4 years ago
Cross section of different areas of the same plant show cells with very different structure. What does this tell you about the d
BaLLatris [955]

Explanation:

-these are likely different tissue systems or organs

-they each may execute different specified functions

Cells sharing a similar origin, group together in the body to form tissues; these typically share physical features and are arranged in regular patterns. All living things, grow, respire, reproduce etc. these processes are carried out by cells, which are thus integral to their survival.

Further Explanation:

These tissues form systems that may be

  • meristematic- temporary, found at growth regions called meristems; they are undifferentiated or incompletely differentiated and continuously undergo growth and division
  • non meristematic- permanent tissue, already differentiated and are made up of plant tissue that no longer divides

Meristems differentiate into three main plant tissue types, which make up several  tissues in various amounts:

  • ground
  • dermal
  • vascular tissues

Secondary tissue types are either complex, made up of several different call types, or simple, made up of the same cell type.  Dermal tissue covers the plant's outermost layer, and mediates gaseous exchange. While two types of complex vascular tissue, are the xylem and phloem.

Xylem vessel elements: mature xylem vessel is made up of dead cells called vessel elements aligned end-to-end where these ends have been dissolved and the protoplasm is absent. These form long, continuous tubes that facilitate the unobstructed flow of water and minerals to other areas within the plant.

Learn more about cellular life at brainly.com/question/11259903

Learn more about tissue types at brainly.com/question/8487952

#LearnWithBrainly

5 0
4 years ago
Which bond is weak covalent or hydrogen?
Olenka [21]

Answer:

hydrooogenn

Explanation:

3 0
4 years ago
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An organism of the genus Staphylococcus is ________, while an organism of the genus Spirochaeta is ________.
Pavel [41]

Answer:

The question lacks options, the options are:

A) spherical / rod shaped

B) rod shaped / coiled

C) spherical / coiled

D) coiled / spherical

The answer is C

Explanation:

All life forms has been classified into a major wide group called DOMAIN. Bacteria is one of the set of organisms classified in this domain. Bacteria are single-celled organisms composed of different species represented by different genera. Two of those genera is the basis of this question; Staphylococcus and Spirochaeta.

Staphylococcus is one of the genera of bacteria. It consists of species that are gram-positive and spherical in shape (coccal) while Spirochaeta is a bacterial genus that consists of species that are gram-negative, motile and spiral or coiled shaped.

3 0
4 years ago
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