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Paha777 [63]
3 years ago
7

How did Darwin’s observations of these tortoises help him form the theory of evolution by natural selection

Biology
1 answer:
Rainbow [258]3 years ago
3 0

Answer:jdhndndbbdbxbdbd

Explanation:

bhejshdhdhdhhn

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If you didn't have macrophages in your body then,
Dovator [93]
<span>You wouldn't be able to defend against germs</span>
6 0
3 years ago
List the 4 important biomolecules
Gala2k [10]

Answer:carbohydrates.

lipids.

proteins.

nucleic acids.

Explanation:

6 0
3 years ago
Pathogens are transmitted in only two ways: by direct contact and by vectors.
Marina86 [1]

Answer: False

Explanation:

Pathogens can be transmitted in many ways. It can spread by direct contact, indirect contact, or by vectors.

The mode of transmission can be skin contact, airborne particles, touching a surface, bodily fluids, touched by an infected person.

The mode of transmission can be vector that carries disease and helps in disease transmission.

So, the pathogens can be transmitted by direct contact, indirect contact or by vectors and by many more ways.

4 0
3 years ago
In 1980, Y. published an extended pedigree of family in which
nydimaria [60]

Answer:

Zero (0)

Explanation:

According to the given information the genotype of the woman with blood type "AB" would by I^AI^B. The genotype of the man with blood type O would be "ii". Here, the alleles I^A and I^B are dominant over the allele "i".

A cross between parents with genotype I^AI^B and ii would give 50% of children with I^Ai genotype and 50% of children with I^Bi genotype. The children with "I^Ai genotype" would have blood type "A" and the children with I^Bi genotype would have blood type "B". This couple is never likely to have any child with blood type "O" since the mother does not carry allele "i".

Cross: I^AI^B x ii = 1/2 I^Ai : 1/2 I^Bi

5 0
3 years ago
Why do you think we have different Biomes in the
Novosadov [1.4K]

Answer:

Each biome has a unique set of environmental conditions and plants and animals that have adapted to those conditions. The major land biomes have names like tropical rainforest, grasslands, desert, temperate deciduous forest, taiga (also called coniferous or boreal forest), and tundra.

Explanation:

A biome is different from an ecosystem. An ecosystem is the interaction of living and nonliving things in an environment. A biome is a specific geographic area notable for the species living there. A biome can be made up of many ecosystems. For example, an aquatic biome can contain ecosystems such as coral reefs and kelp forests.

5 0
3 years ago
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