Crossing over occurs at the four-strand stage when two homologous chromosomes, each consisting of a pair of sister chromatids, are paired. Each crossover involves just two of the four strands and generates two recombinant strands.
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Agriculture
Explanation:
Agriculture can be defined as the cultivation of animals, plants, fungi, and other life forms for food, fiber, biofuel, drugs and other products used to sustain and enhance human life.
- The etymology of the word can be traced to Latin; Ager-field, cultura-growing.
- Agriculture provides food that is used to sustain life on earth.
- It involves solely the cultivation of plants and organisms for nourishment.
- Some industries thrives on agricultural products and are referred to as Agro-allied industries.
- It is an art and science of cultivating livestock and plants for use.
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Human impact on rainforest brainly.com/question/3995505
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Answer:
Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms.
Explanation:
I don't think it will work.
Fish breathe with gill not lungs. Unlike lungs, gill works one way. You breathe out air out of you mouth but fish dump the water from their gill so they shouldn't be able to push water out of their mouth.
Even if the could fish push the water through their mouth, the gas exchange didn't happen because the water didn't move through the gill. The fish that giving water cannot breathe while giving resuscitation.
The extermination of the dinosaurs, the start of a rise to dominance of mammals and a meteorite effect in mexico marks the boundary among the mesozoic and the cenozoic or as named as the k-p boundary. In addition, the cretaceous paleogene (K–Pg) boundary which is previously recognized as the cretaceous tertiary (K–T) boundary is a geological signature typically a thin band of rock.
