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docker41 [41]
3 years ago
15

Which describes gas exchange in the respiratory system?

Biology
2 answers:
kvv77 [185]3 years ago
7 0

Answer:

A

Explanation:

kolbaska11 [484]3 years ago
6 0

Answer:

A.

Explanation:

A. Gas exchange happens through diffusion.

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intracytoplasmic iron ganuakes can be seen as anither distinct morphologic appearance of copper deficiency true or false​
Tom [10]

Answer:true

Explanation:thats true because copper helps in transport of iron from cells and therefore increase in the intracytoplasmic iron may indicate a decrease in copper

Copper is basically maintenaning the iron gradient of the cell and therefore the whole body ,decrease in copper may lead to increased iron accumulation in the cell and less utilization of it as well hence disturbing the process of heme synthesis.

3 0
2 years ago
How many and what are the processes that seed plants use to reproduce.
Luba_88 [7]
Plants reproduce through the process of fertilisation. Fertilisation is the process where female and male cells join together to form an embryo inside the seed. The seed protects the embryo in preparation for germination when conditions permit the plant to produce new plants.

Seed plants are classified into two types to determine reproduction. First are the Angiosperms, this type of seed plant has flowers that have special structures for reproduction. Pollens are made by male cells, while ovules are made by female cells. Pollens are carried out through the process of pollination (e.g. wind blows, insects carrying pollen). Most angiosperms that don’t undergo pollination develop intro fruits. If it goes into pollination they become new flowering plants.
<span>
Second classification is the Gymnosperms, which are seed plants that are held in cones. Gymnosperms like Angiosperms also have male and female reproductive cells. Reproduction also occurs through pollination but most gymnosperms are trees. The best example of a gymnosperm are pine cones.  </span>
5 0
3 years ago
Protective coverings on the<br> outside of the flower - usually<br> green
Murrr4er [49]

Answer:

sepals

Explanation:

sepals protect inner floral leaves in bud stage of the flower, carry out photosynthesis, attract animal pollinators when petaloid (have same color with petals eg in pride of barbados)

4 0
3 years ago
Between which two letters does mitosis occur
sdas [7]
One of them i think is biolorgy with 5th and 6th
6 0
3 years ago
WILL give BRAINLIEST!!
USPshnik [31]
Leftover radiation from the big bang is your answer hope i helped
4 0
2 years ago
Read 2 more answers
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