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lubasha [3.4K]
3 years ago
5

Describe the spores produced by seed plants.

Biology
1 answer:
Novay_Z [31]3 years ago
6 0

In biology, a spore is a reproductive structure that is adapted for dispersal and surviving for extended periods of time in unfavorable conditions. Spores form part of the life cycles of many bacteria, plants, algae, fungi and some protozoa
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What are the differences in their hard parts, distribution, reproduction among phytoplankton of cyanobacteria, diatom, coccolith
Margarita [4]

Answer:

Explanation:

DIFFERENCES BETWEEN HARD BODY PARTS.

•Cyanobacteria have calcified sheaths.

• Diatoms have hard but porous cell wall.

• Coccolithophores have hard body parts.

• Silicoflagellates skeleton is composed of opaline silica.

• Dinoflagellates do not have hard body parts

• Green algae - no hard body parts.

• Brown algae - no hard body parts.

DIFFERENCES BETWEEN DISTRIBUTION

• Cyanobacteria are found almost in every terrestrial habitat on planet.

• Diatoms are found in oceans, freshwater, soil and damp.

• Coccolithophores are exclusively marine.

• Silicoflagellates are found in marine environment.

• Dinoflagellates are both freshwater and marine.

• Green algae grow on objects that do not move such as substrate, rock.

• Brown algae - wide distribution from tropical to polar zones.

DIFFERENCES BETWEEN REPRODUCTION.

• Cyanobacteria - asexually by binary or multiple fission, fragmentation, spore formation.

• Diatom - asexually by cell division through mitosis.

• Coccolithophores - asexually by binary fission.

• Silicoflagellates - asexually

• Dinoflagellates - asexually

• Green algae - sexually or asexually by cell division, fragmentation, spore formation.

• Brown algae - sexually and asexually.

5 0
3 years ago
The diagram shows the general structure of a lipid l, which consists of two main parts.
san4es73 [151]

Answer:

The correct answer is - carboxyl group.

Explanation:

Lipids are one of the major macromolecules that are made up of fatty acid and carboxyl groups as two main parts of the molecules. The most common type of lipid is formed with the glycerol associated with the fatty acid chain.

In the provided structure the circled part is the carboxyl group with the long fatty acid chain. However, glycerol belongs to the alcohol group.

Thus, the correct answer is - carboxyl group.

5 0
3 years ago
DNA CODE Multiple options ​
Kruka [31]

Answer:

TAGGCAATCGCCATATTG

Explanation:

T matches with A

C matches with G

Think about it like this, T is a nerdy boy, C is a jock boy, A is a nerdy girl, and G is a jock girl.

If you were a matchmaker in your high school, you'd pair the nerds (A&T) together and the jocks (C&G) together so they'd have common interests and get along well, right?

It's the same with DNA, T&A get along well, and so do C&G.

Hope this helps <3

6 0
3 years ago
PLEASE HELP ME ! if you looked for RNA n various parts of the cell, where would it be found? A. just in the nucleus B. just in t
torisob [31]
C! In the nucleus and cytoplasm.
5 0
3 years ago
Read 2 more answers
PLS HELP
erastova [34]

Answer:

A. Binary Fission

Explanation:

During binary fission, the chromosome copies itself, then it forms two genetically identical copies.

7 0
3 years ago
Read 2 more answers
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