Answer:
this study is clearly an observational work
Explanation:
experimental studies involve to establish direct associations between a traits and its phenotypic effects. For example, a classical experimental study would involve to map a nonsense mutation in the ACTN3 gene significantly correlated to the non-sprinting phenotype
Answer:
A. is the answer
Explanation:
Oil, coal and natural gas resources are non renewable energy sources.
Here I provide you some examples of modified stems:
<u>Bulb:</u> discoid stems that have a single apical bud surrounded by numerous cataphiles, and in their part I have adventitious roots. Its function is the reserve.
<u>Tuber</u>: They are portions of stems with irregular growth, which forms tuberosities due to the large accumulation of reserve substances.
<u>Cladodes: </u>are flattened stems, very thick, green leaves look alike and have photosynthetic function.
<u>Stem tendrils:</u> they are filamentous stems, which can be rolled up so that the plant can climb grasped of various objects, which is useful when the plant needs to look for the greatest possible luminosity, especially in areas where shadows predominate.
Phylloclades: Stems sheet form with limited growth, like a leaf, green and photosynthetic color.
Answer:
D. build them up and breaks them down
hope this will help :)
Answer:
Biomass is an organic matter that cointains stored energy,
Extra stuff reguarding the answer:
such as animals waste, crops, wood, seaweed