The monarch butterfly population has declined due to a scarcity of :
<h3>The Monarch Butterfly </h3>
Monarch Butterflies are one of the most beautifully colored butterflies with yellow and black lines, they migrate seasonally during the winter, Caterpillars of monarch butterfly feed on the leaves of milkweed which is a major source of food for Monarch butterflies.
The scarcity of milkweed will result in the decrease of the population of Monarch butterflies as the caterpillar will have nothing to feed on .
Hence we can conclude that the monarch butterfly population has declined due to a scarcity of milkweed.
Learn more about Monarch butterfly : brainly.com/question/289820
Animals take in oxygen and release it as Carbon dioxide
Answer:
Diploid Genotype - Genotype of Gametes
RR - R
rr - r
Rr - R, r
Explanation:
According to Gregor Mendel in his law of Segregation, he stated that the alleles of a gene gets separated into gametes during gamete formation (meiosis). This occurs in such a way that only one allele of the two possible alleles that make up the genotype of a diploid organism is found in the gamete.
Meiosis is a cell division that reduces the chromosomal number of the daughter cells. Hence, a diploid organism (2n) will undergo meiosis to produce haploid (n) daughter cells (gametes). An organism with a diploid genotype RR will produce gametes which have only genotype R. The same applies to organism with genotype rr. Only gametes with genotype, r, will be produced.
However, in a heterozygous genotype like Rr, the different alleles will separate into gametes in an equal proportion i.e. gametes with genotypes R and r will be produced in a ratio 1:1.
Answer:
A. control the heart
B. are striated
D. have light and dark stripes
Explanation:
Cardiac muscle refers to the muscle which are present in the heart. These muscles are involuntary i. e. moves without any control. These muscles control the contraction of the heart. These muscles have light and dark color stripes due to the presence of mayo protein which block light to pass through it so it looks dark in color.