1. B
2. C
I hope this helped!
Answer:
White-tailed deer fill the niche, or role, in ecosystems of both herbivore and prey. They are affected by, and themselves affect, their ecosystem. In forests, they have been described as a “keystone species” because their feeding activity can directly and indirectly affect many plants and animals.
Answer:
The correct option is <em>B. Crossing- over </em>
Explanation:
In biology, crossing over can be described as a phenomenon by which homologous chromosomes exchange segments during the process of meiosis.
The unexpected results came because the DNA segment between the homologous chromosomes was exchanged during meiosis. The alleles got shuffled by this process and hence showed the unexpected results.
Crossing over and independent assortment are phenomenon which occurs only during the process of meiosis. These phenomenons cannot be observed during mitosis.
You would expect an earthworm to have no exoskeleton because as you see it is very flexible and soft. Organisms with such have body parts that are divided and an earthworm do not have any visible parts on them also having an exoskeleton would not allow an organism to move like an earthworm does.
Answer:
Passive Transport , Diffusion, Osmosis
Explanation:
Active Transport requires energy. Endocytosis, exocytosis and facilitated diffusion are types of Active Transport.
Passive Transport does not require energy. Diffusion and osmosis are types of Passive Transport.
