Answer:
True
Explanation:
The Devonian Period comprises the years between 416 million and 354 million and is subdivided by periods: Lower (the oldest), Middle and Upper (the most recent).
During this period, the main transformations occurred in the flora, with the exponential growth of small terrestrial plants through the development of spores. With this process, plants will become more similar with modern plants. During this period the plants were able to fertilize themselves with the seeds and reach the height of trees. They formed the first forests to be recorded, with the appearance of licopodia, ferns and progimosperms.
I think it's b but if not I'm sorry
Answer:
The answer is A!
Explanation:
Because in 2009 the GHF emissions around caused a drop!
Answer:
Separation between sarcomeres.
Explanation:
The structure of the muscle fibre is composed of many functional units called sarcomere which is interrupted by the discs called Z-discs.
These Z-discs are made of the alpha-actin homodimers which allow the actin filament allows to bind to it along with other proteins. The Z-discs since present at regular intervals in a muscle appears to separate the sarcomere and defines the boundaries of the sarcomere.
Thus, the selected option is correct.
