Fertilization occurs when a sperm and an egg fuse to form a diploid zygote, and sperm and eggs are cells known as gametes. Given these facts, what fuses to form a diploid zygote during fertilization among the following options: - seeds - white - Flowers - pollen - potatoes - orchids - gametes - barnacles
gametes

(Question)
Bacteria in soil convert atmospheric nitrogen into a form usable by plants, and nitrogen deficiency increases the stress on the plants. Given these facts, what does bacteria in the soil help to prevent among the following options: - contamination - colder weather - Pollution - anemia - plant stress - Greenhouse gasses - toxins - disease
(Answer)
plant stress

Ques: If fossils of a water animal or plant are found in a place then that place used to be covered by water in the past, and gastropod Shells of marine animals are often preserved as fossils. Given these facts, the bones of what can be found to signify that place used to be covered by water among the following options: - h2o - living things - dogs - adult sea squirts - bullfrogs - humans - an amoebae - gastropod shells
Ans: gastropod shells

(Q).
Amold spore has a negative impact on the respiratory system, and insects also have both a heart and a respiratory, or breathing, system. Given these facts, mold spores have what impact on breathing among the following options: - neutral - ambiguous - symptoms - motility - positive - dangerous - negative - uncontrolled
(A).
negative

Ques:Aging occurs as cells lose their ability to divide, and portions of the telomeres are lost each time a cell divides. Given these facts, the loss in length of what causes cells to age among the following options: - fur and fat - layers of fat - cell membrane - sunlight - Chlorophyll - telomeres - programmed cell death - cancer

Ans:telomeres

Trees have woody stems covered with bark, and stems of plants include trunks and branches. Given these facts, what part of a tree would be woody and covered in bark among the following options: - shrub beds - the leaves - the roots - cacti - a sapling - Chlorophyll - the trunk - four limbs
the trunk