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Sphinxa [80]
3 years ago
9

Agents that can cross the placenta of a pregnant woman and cause birth defects are classified as

Biology
1 answer:
Ivanshal [37]3 years ago
5 0
They are known as Teratogens.

These substances are toxic and they harm the embryo. The harm may be psychological, physiological, or even both. They can come in all forms and even include simple things like alcohol which can cause the Fetal Alcohol spectrum disorder, or they can be complex things like radiation.
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what theory makes a plate become locked? a. Rubber band theory b. Uplifting movement theory c. Big bang theory d. Elastic reboun
vivado [14]

Answer: I think it is uplifting movement theory

Explanation:

I am learning about this stuff in my class.

8 0
2 years ago
At one time, biologists thought that fungi were merely forms of plants that had lost their chlorophyll and had returned to sapro
Drupady [299]

Answer & explanation:

Fungi have long been regarded as organisms that were part of the <em>Plantae</em> kingdom (plants), mainly because they have cell walls in their cells, reproduce by spores, and the fact that some of them are sessile (attached to the ground).

However, fungi are no longer considered as plants because they do not have chlorophyll or specialized cells, such as chloroplasts and vacuoles. In addition, fungi have heterotrophic nutrition (plants are autotrophic), needing to absorb organic substances to survive.

Nowadays, fungi are studied in isolation and are inserted in their own kingdom, the <em>Fungi</em> kingdom.

3 0
3 years ago
You are the nurse providing prenatal education to a group of pregnant teenagers. One of the group members asks you to talk about
Elina [12.6K]

Answer:

A. The heartbeat can be heard

Explanation:

After the first trimester, during the fourth month, the heartbeat of the fetus becomes loud enough to be heard with the help of a stethoscope placed on the abdomen of the mother.

From fifth to the seventh month of the development, kicks and jabs are felt by the mother as the fetal legs grow and develops. Languo, a wrinkled pink colored skin covers the fetus.

Languo is in turn covered with a white greasy substance called vernix caseosa.

From eighth to ninth months, rotation of the fetus places its head pointing towards the cervix to facilitate childbirth later.

The development of testes takes place in the seventh month while the body hairs become disappeared in the eighth month.

6 0
3 years ago
Read 2 more answers
Determine whether each statement below describes traditional or modern classification.
Scorpion4ik [409]

Answer:

Traditional

Modern

Modern

Traditional

Explanation:

Traditional classification is also known as the Linnaean classification. This type of classification focuses more on the similarities in appearance when it comes to categorizing organisms.

Cladistics, or modern classification organizes organisms into groups based on evolution.

7 0
3 years ago
Read 2 more answers
One difference between plants and animals is that plants are?
kumpel [21]
Plants are in the ground with soil
7 0
3 years ago
Read 2 more answers
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