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Alona [7]
3 years ago
10

1. What is the usual cause of a harmful increase in the nutrients in a freshwater lake?

Biology
1 answer:
Salsk061 [2.6K]3 years ago
3 0

Answer:

B

Explanation:

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During what phase of meiosis does both nuclei dissolve, spindle forms?
Vesna [10]

Answer:

Prophase I

Events of Prophase I (save for synapsis and crossing over) are similar to those in Prophase of mitosis: chromatin condenses into chromosomes, the nucleolus dissolves, nuclear membrane is disassembled, and the spindle apparatus forms. Major events in Prophase I.

7 0
3 years ago
Compare the adult frog to the tadpole.
KatRina [158]
Adult frogs are on land and they have feet and a body
Tadpoles are in water and they are somewhat like a fish! 
6 0
3 years ago
Select all that apply. The principal advantages of asexual reproduction are _____.
hichkok12 [17]
The correct answers are A and C.
When an individual is reproducing asexually, it means that there is no fusing of two parent cells and meiosis, but that the offspring is produced out of the cells of one parent. This means that the organism is not '' losing time'' by trying to find a suitable mate, which enables the populations to grow at a rapid rate.
However, the offspring are genetically identical to the parent, which means that there is very little genetic variation in the population which can lead to accumulation of harmful mutations and unresponsiveness to changes in the environment. 
5 0
3 years ago
Read 2 more answers
An annual plant bears fruit or flowers every year. <br> a. True<br> b. False
8_murik_8 [283]
This is false.

These are called perennial plants. Annual plants go through their entire life process within a single year and stop existing, meaning they can't produce fruit every year.
7 0
4 years ago
Stabilizing selection is the most common form of natural selection. It eliminates any extreme expression of a trait in a populat
Sauron [17]
B) decrease genetic diversity
Genetic Diversity refers to vast differences in genetic makeup (genotype) and thus often phenotype as well. The more that extreme genes/traits are excluded in survival and/or reproduction, leading to stabilizing selection, then the more genetically "same" or similar the population will evolve to long-term. Similarity is the opposite of diversity. Thus A) is dead wrong, B) is accurate, and both C) & D) are incorrect because "rare" means not common or "extreme." And extreme traits are exactly what decrease through stabilizing selection.
Hope that this.helps! :)
3 0
4 years ago
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