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Elena-2011 [213]
3 years ago
12

What harmful environment factors should be avoided by pregnant women ? Why ? Please answer this !!

Biology
1 answer:
stellarik [79]3 years ago
3 0

toxic substances can increase the risk for birth defect, miscarriages,etc.

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List the name and defining characteristics of each of these major groups of plants covered in the reading (Green algae, Bryophyt
Oksanka [162]

Answer:

Green algae is divided into chlorophyte and chlorophyte. It possess chlorophyll a and b.

Bryophytes includes the liverworts, mosses and hornworts. It is know tracheaophytes I.e. is not vascular without extensive transport system, it needs water to reproduce sexually. It's Gametophyte is dominant and stomata are absent. (Hornworts possess stomata; it's related to tracheaophytes.

Ferns have vascular tissue, xylem and pholem, stem, root, leaves, dominant sporophyte. It's sporophyte possess rhizomes and fronds plus sporingia aldo called sori. Ferns are seedless vascular plants.

Gymnosperms includes the conifers, cycad e.t.c. It has its ovules resting on a scale. The ovules later develop into the seed. These seeds are naked as there are not enclosed in the chambers.

Angiosperms have flowers and fruits and show diuble fertilization. This is a  huge clade that consists of all flowering plants. Unlike Gymnosperms

They develop enclosed in chambers known as ovaries.

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3 years ago
What are the different versions or variety of a gene called
Triss [41]
An allele. It’s a variant of a cell.
7 0
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The idea that all life is based on cells and that cells come only from other cells is known as the cell theory
balu736 [363]

true this idea is correct

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Why don't epidermal ridges form in thin skin?
xxTIMURxx [149]
Thin Skin. The epidermis differs from that of thick skin in having thinner stratum spinosum, granulosum, and corneum, and lacks the stratum lucidum (Thin Skin 1). The dermis is not arranged in ridges, but does project into the epidermis as true papillae. However, no epidermal ridges are produced
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The cell type in the liver that absorbs glucose and converts it into glycogen is the:
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I am pretty sure it is glycogenesis<span>. Please tell me if I'm wrong.</span>
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