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Alja [10]
3 years ago
9

What happen if a person has brain injury?

Biology
1 answer:
dimaraw [331]3 years ago
6 0

Answer:

Mild traumatic brain injury may affect your brain cells temporarily. More-serious traumatic brain injury can result in bruising, torn tissues, bleeding and other physical damage to the brain. These injuries can result in long-term complications or death.

Explanation:

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Multicellular gametophytes are the product of spores from ____​
jolli1 [7]

Answer:

In bryophytes, the sporophyte is minute and dependent on the relatively prominent and nutritionally independent gametophyte for resources. The moss gametophyte looks like a miniature herb, with tiny leaf-like photosynthetic organs. The gametophyte generation begins as a dormant spore, which germinates under appropriate conditions to produce filamentous and branching protonemal tissues. These form multicellular bud-like structures, each of which develops into a leafy shoot. The mature gametophytes produce male and female sexual organs, the antheridia and archegonia, respectively. The gametophyte is often sexually distinct, and plants are either male or female.

Each antheridium has an outer layer that encloses and protects thousands of motile sperm, which swim through available external water layer to the egg. Fertilization at the base of the cylindrical archegonium produces a diploid zygote which develops into an unbranched sporophyte. The sporophyte consists of a thin stalk attached to the gametophyte, and a capsule that encloses the sporophytic meiotic cells.

In recent years, the mosses Physcomitrella patens and Funaria hygrometrica have emerged as attractive model systems for studying gene function in non-vascular plants because of the relative ease of molecular manipulation by homologous recombination. Mutants affecting gametophyte development have been isolated and their analysis should provide insights into the molecular basis of gametophyte development in mosses.

Explanation:

7 0
3 years ago
ENERGY PYRAMIDS
Natasha2012 [34]

Answer:

Energy is lost at several levels from the body of an organism. Two of the phenomenons through which energy is lost are

Conduction:

When a body is in contact with another body, energy is lost in the form of heat. For example, if we sleep on a cold floor, energy from our body would be lost to the floor in the form of heat,

Decomposition:

Energy is lost when cells in a body die and energy is required for decomposition also.

5 0
3 years ago
In insects what does hemi metabolism indicate
ArbitrLikvidat [17]

The hemi metabolism<span> indicates the three distinct stages of the life cycle of some insects: the egg, nymph, and the adult stage, or imago. It has no pupal stage just like the complete metamorphosis that undergoes pupal stage before turning into adult. Insects that undergo hemi metabolous metamorphosis go through gradual changes; develop from eggs into nymphs sometimes called larvae by some entomologists, that are similar in shape to the adults. You can distinguish the nymphs from the adults by looking for wings. Wing buds or wing pads may be present in late stage nymphs, but they are fixed in place against the body and are non-functional compared to the adults whose wings are fully developed. </span>

7 0
3 years ago
2. the water on earth came from ancient
Goshia [24]
2: D 3: A 4: B 5:A 6:C PLEASE MARK BRAINLIEST!!
3 0
3 years ago
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PLEASE HELP!!!! Which of the following were responsible for changing the oxygen content in
Nesterboy [21]

Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.

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2 years ago
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