If any Kardashian sister expresses an unknown X-linked recessive trait, what is the probability that her son would also express the same trait

The diagram represents the development of an embryo.

Which choice is true about the resulting embryo?

It is genetically different from its parents.
It is genetically identical to its parents.
It contains a different number of chromosomes from its parents.
It contains twice the genetic information of its parents.

Describe the process in which trees communicate with one another

Prokaryotes are organisms that do not have defined nuclei in their cells. Eukaryotes are organisms that have cells with membrane-bound nuclei. In which of the following kingdoms are prokaryotes found?

A. Plant and Animal only

B. Bacteria and Archaea only

C. Bacteria, Archaea, Protist and Fungus only

D. Protist, Fungus, Plant and Animal only

In order for the egg to reach the uterus, contractions need to occur on the uterine wall to move the egg. What two systems work together to make this
happen?
A) Reproductive and Integumentary
B) Immune and integumentary
C) Circulatory and Digestive D) Reproductive and Muscular

1. What function do spindles perform during mitosis?






2. What function do centrioles perform in animal cell mitosis?

One naturalist thought he saw a "black lava flow" on Fernandina. What did he actually see?

Which of the following is NOT true about systems that cycle matter?
A Living things play a role in the cycling of matter.
B Matter changes form as it cycles.
C Some matter is destroyed as it cycles through the environment.
D Matter is constantly cycling through the environment

Why does mass determine how fast and how much energy a star can generate?

12.
A lizard species mostly eats fruit from one
particular type of tree. If a virus kills most of
these trees, which individual lizards will most
likely survive?
A.
lizards that can climb higher in the fruit trees
B.
lizards that have darker coloration
C.
lizards that can find other types of food
D.
lizards that produce more offspring

one of the following parts of cell is common to all type of cells.

A. Cell Wall
B. Large vacuole
C. Small Vacuole
D. Chloroplast​

Why do anole lizards represent an excellent proxy for studying evolution?.

Base your answer(s) to the following question(s) on the Earth Science Reference Tables, the diagram below, and your knowledge of Earth science. The diagram is a geologic cross section of the rocks that underlie parts of southern New York State and northern New Jersey. Landscape regions are indicated across the top of the diagram. Which important New York State fossil is most likely to be found in the Triassic Age rocks in the Newark Lowlands?

Eurypterid
Mastodon
Coelophysis
Naples tree

Which is NOT an example of a transfer payment?
A. welfare
B. salaries
C. Medicare
D. Social Security

resume with deforestation urbanization desertification invasive species global warming climate change​

In plants, the vascular tissue made of dead cells that transport water and minerals from the roots is called.

C-reactive protein is released into the bloodstream in response to.

One species of tree snail is found on a single island in the pacific. A storm knocks down one tree that contains 50 snails and it drifts at sea for a week before coming ashore at a nearby island. The snails make it to shore and over time evolve into a new snail species. This is an example of:.

why do we need water and food

Meiosis Questions:
1. How many chromatids are present in one homologous pair of chromosomes?
2. What is meant by “crossing-over” in meiosis, and how did your model depict this?
3. What effect does crossing-over during meiosis have on the genetic makeup of daughter cells?
4. Why must the number of chromosomes in reproductive cells (gametes) be different than the number of chromosomes in the rest of an organism’s cells (somatic cells)?

What is the main reason that it takes 2 to 3 minutes for the reaction to occur between sucrose and sulfuric acid in the dehydration of sucrose? the activation energy needs to be overcome in the reaction. the activation energy must be removed from the intermediates. the sulfuric acid has to be consumed before the reaction takes place. the sucrose molecules must rearrange to become the catalyst.

Food webs model the way _______ move through an ecosystem.

How do the kidneys compensate for acid-base imbalances?.

(04.03 MC) Which description properly describes a step involved in cellular respiration?

A. Glucose is created, then the energy gained is transferred to the energy molecule.

B. Carbon dioxide and water are released after the energy molecule is charged.

C. Water is divided into carbon dioxide and glucose.

D. Oxygen is combined with ATP to energize it.

A subset of a population selected to represent the population is a:.

Tall oak trees are better able to compete for sunlight in crowded forests. short oak trees are at a
disadvantage. what type of selection appears to have made oak trees grow tall?
a. stabilizing selection
b. directional selection
c. disruptive selection

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is the general term for any remains or traces of an
ancient organism.
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Humans have direct development, a closed circulatory system, well developed eyes, and large brains. Which mollusk also shares there features

Why would algal boom, an overgrowth of algae, harm marine life.

If cortisol levels remain high for prolonged periods, the _____ may not function at an optimal level.

A normal haired man marries a normal haired woman, but they have a son who develops baldness. Explain how the son inherited this disorder and from who he inherited the trait.