<em>An ever-growing demand for resources by a growing population</em> is putting tremendous pressures on our planet's biodiversity and is threatening our future security, health and well-being, reveals the 2012 edition of WWF's Living Planet Report – the leading biennial survey of the Earth's health.
Q1. The answer is egg.
The fertilisation is a fusion of two gamete cells which results in the formation of the zygote. Sperms and eggs are gamete cells, male and female, respectively. After a sperm and an egg fuse, i.e. the fertilisation takes place, a zygote is created and then begins a development of an embryo.
Q31. The answer is 100% chance
Alleles:
T - the dominant allele for the tongue rolling
t - the recessive allele
Genotypes and phenotypes:
TT - people able to roll tongue
Tt - people able to roll tongue
tt - people not able to roll tongue
<span>The mother’s genotype is TT and the father’s genotype is TT. The offspring will get T allele from the mother and T allele from the father:
Parents: TT x TT
Offspring: TT TT TT TT
So, all of the offspring will have genotype TT and will be able to roll their tongues.
Q32. The answer is codominant.
A codominance is a pattern of inheritance in which both alleles of a gene are expressed. So, there are no dominant and recessive alleles and both will affect the phenotype. For example, plants with alleles for both red and white flowers will have flowers that are both red and white.</span>
Answer:
Consuming tuna from a dented, bulging can. (Ans. C)
Explanation:
Botulism is a rare poison, and caused by a toxin which is known as clostridium botulinum. Botulinum requires emergency medical care because sometimes it can be fatal. It can spread through contaminated water, food, and by touching the surface area which is contaminated.
Symptoms of botulism includes:
1) Difficulties in speaking, and facial weakness.
2) Pain in the abdomen area.
3) Weak eye muscles.
4) Feeling dizziness.
5) Double vision or blurred vision.
I was slightly confused by the fact that there are two numbers, but I'm assuming those are the calculations for the container with and without a cover.
Clear cover: 2.4°C
without cover: 0.1°C
