Por favor me ajudem 1. Observe a figura e responda às questões.
A) Que estrutura do útero está representada pela letra A?
B) O que está acontecendo com essa estrutura entre os dias
1 e 4 do ciclo menstrual? Como se chama esse fenômeno?
C) O que é o ponto preto indicado pela letra B? O que
acontece com ele por volta do 14o dia do ciclo?
D) Ocorreu gravidez no ciclo representado pela figura?
Justifique sua resposta.
2. Julgue as sentenças e marque V nas verdadeiras e F nas
falsas.
( ) A ovulação ocorre nos primeiros dias do ciclo menstrual.
( ) O atraso da menstruação pode indicar gravidez.
( ) O embrião formado nos primeiros dias após a fecundação
é chamado de feto.
( ) A menstruação é a eliminação de parte da camada interna
do útero.
( ) O ciclo menstrual é controlado por hormônios da hipófise
e dos ovários.
( ) A menstruação ocorre quando o ovócito secundário não é
fecundado

Give the biological term for: structures that display characteristics of living organisms only within living cells

In a hypothetical breed of dogs, coat color is controlled by two genes. there are six different coat colors in this breed: black, brown, cream, gray, silver, and tan. consider the following crosses. cross 1: black females from a lineage of all black dogs are crossed with brown males from a lineage of all brown dogs. f1 males and females are all black. when f1 are intercrossed, f2 males and females are black or brown. cross 2: black females from a lineage of all black dogs are crossed with tan males from a lineage where all males are tan and all females are cream. f1 males are black, f1 females are gray. when f1 are intercrossed, f2 males and females are black, brown, gray, or tan. cross 3: silver females from a lineage where all females are silver and all males are gray are crossed with brown males from a lineage of all brown dogs. f1 males and females are all gray. when f1 are intercrossed, f2 males are black, brown, gray, or tan, f2 females are cream, gray, silver, or tan. select the correct statements regarding the mode of inheritance of the coat color genes. a) both genes are x-linked. b) both genes are autosomal. c) one of the genes modifies the expression of the other gene. d) each gene has an additive effect on the intensity of coat color. e) each gene independently specifies three colors. f) one of the genes is autosomal, and the other is x-linked.

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled